四年级口算

四年级口算 23×40= 54?3= 18×30= 60?30= 70×50= 250?50= 14×60= 80?40= 18×50= 16×30= 1.25+2.3= 35.7-2.4= 12.3+4.06= 0.75+0.4= 1.34+0.8= 9.5-2.7= 1.8+8.18= 7.82-7.2= 8.7+0.03= 2.7+3.9= 9.3-8.8= 1.9+25.79= 4.5-3.26= 5.1-1.9= 2.2+5.7= 4.8-2.5= 18.3-3.7= 2.9+15.9= 6.3+3.6= 6.7-4.5= 6.8-0.7= 27.3+2.15= 23.5+1.68= 53.16+3.54= 6.6-3.7= 7.2-2.7= 12.3+3.7= 5.3+4.47= 2.8+1.9= 3.2+12.76= 3.25-0.12= 4.5-2.1= 5.8+6.9= 1.5+4.85= 16.8+5.4= 3.6-1.3= 24.6+2.4= 8.1+1.2= 2.45+5.5= 0.5+2.6= 93.1-20.9= 53.4-2.4= 5-0.08= 96.3-56.2= 136.5-105= 73.4+52.1= 79.2+56.8= 7.21+6.9= 1.64+2.35= 6.72-3.28= 35.7-2.4= 4.5-3.26= 5.1-1.9= 2.2+5.7= 640?80= 15×5= 23×3= 12×2×5= 480?80= 16× 5= 27×3= 90?15= 48? 4= 640?16= 39?3= 24×20= 32×3= 48?16= 12×8= 27×3= 56?14= 24?8= 14×2= 83,45= 560?80= 96?24= 40?20= 40×30= 37，26= 76,39= 605，59= 30×23= 12×8= 27，32= 48，27= 4500×20= 73，15= 120×600= 200×360= 6800×400= 280+270= 4×2500= 6000?40= 5×1280= 310,70= 400×14= 470+180= 1000?25= 160×600= 20×420= 290×300= 8100?300= 7600?200= 930-660= 7600?400= 680+270= 980?14= 4200?30= 6×1300= 1300×50= 200×48= 530+280= 9200?400= 840?21= 180×500= 8000?500= 1900?20= 200×160= 8700?300= 300×330= 3×1400= 7000?14= 600?12= 9600?80= 140×300= 8800?40= 9600?800= 750,290= 5×490= 760×20= 7500?500= 370×200= 650?13= 8600,4200= 240×4= 640?80= 15×10= 160×30= 250×6= 7200+900= 410-201= 125×8= 48×20= 6600?600= 390+140= 11×80= 24×50= 3600?400= 4000?50= 4.8-2.5= 18.3-3.7= 2.9+15.9= 6.3+3.6= 6.7-4.5= 6.8-0.7= 0.2-0.09= 2+9.1= 0.89-0.25= 1-0.55= 20.22+0.78= 2-0.75= 5.78-0.24= 0.42+10.68= 8.34-6.22= 6.37+4.55= 320X5= 120X8= 9X470= 310X5= 6X150= 390X5= 2X570= 6X270= 270X2= 940X3= 700X8= 4X280= 6X660= 2X880= 6X230= 8X800= 7X210= 860X6= 6X930= 480X9= 6X280= 240X3= 7X130= 2X450= 9X390= 9X780= 270X5= 5X690= 790X6= 720X9= 8X920= 4X980= 340X7= 4X710= 8X730= 900X2= 170X9= 9X970= 4X590= 3X860= 290X4= 7X630= 960X7= 860X9= 8X680= 340X2= 5X490= 5X500= 6X470= 560X3= 5X300= 5X180= 8X300= 820X8= 9X150= 140X7= 3X420= 480X6= 530X4= 390X2= 810X8= 8X180= 2X950= 670X9= 360X9= 400X9= 2X760= 9X350= 430X8= 670X6= 850X4= 320X3= 3X550= 4X330= 980X9= 560X6= 940X8= 920X7= 7X510= 200X2= 8X490= 7X250= 7X320= 770X2= 2X330= 4X520= 410X9= 730X4= 680X3= 2X180= 550X6= 6X970= 2X840= 770X5 = 970X5= 5X370= 620X8= 990X6= 4X780= 940X6= 27.3+2.15= 23.5+1.68= 53.16+3.54= 6.6-3.7= 7.2-2.7= 12.3+3.7= 5.3+4.47= 2.8+1.9= 3.2+12.76= 3.25-0.12= 530,70= 420,90= 9600?30= 7×700= 203+98= 1800?300= 240+570= 4800?400= 370+580= 580-490= 910,370= 250×8= 270,190= 360×2= 75?25= 330?11= 6×800= 5400?9= 420?60= 9×800= 3×330= 300×7= 9×500= 390?13= 6300?700= 370，560= 5600?700= 4800?12= 3500?7= 520+490, 450,90, 80，330, 70×700, 7000?70, 4000?80, 2400?200, 420,90, 170，320, 1000,51, 520,260, 910,190, 35×200, 22×200, 8800?400, 9300?300, 6×300, 1800?200, 9300?30, 280?40, 304，199, 390?26, 1250?50, 21×40, 6600?220, 760,198, 660,220, 5000?50, 100×91, 753,299, 7000?70, 200?40, 180?30= 240?40= 35×2= 140×7= 13×6= 280×3= 350×2= 50×11= 250×6= 7200+900= 410-201= 125×8= 48×20= 6600?600= 390+140= 11×80= 24×50= 3600?400= 4000?50= 530,70= 420,90= 9600?30= 7×700= 203+98= 1800?300= 240+570= 4800?400= 370+580= 580,490= 910,370= 25×8= 270,190= 36×2= 75?25= 330?11= 6×800= 5400?9= 420?60= 9×800= 3×330= 300×7= 9×500= 390?13= 6300?700= 5600?700= 4800?12= 3500?7= 370，560= 520，490= 450,90, 80，330, 70×700, 7000?70, 4000?80, 2400?200= 420,90, 170，320, 520,260= 910,190= 35×200, 22×200, 8800?400= 9300?300= 6×300, 1800?200, 9300?30, 280?40, 304，199, 390?26, 1250?50, 21×40, 6600?220= 760,198= 660,220, 5000?50, 100×91, 753,299, 17×40, 100,63, 75?15, 4.4+15.99= 88-69.21= 63.1-11= 0.48+0.52= 1-0.98= 3.7+4.8= 8.36+0.64= 3.6+0.87= 8.16+3.7= 0.33+9.8= 810?90= 630?70= 100?20= 720?90==240?80= 60 ?10= 150?30= 450?90= 360?90= 210?70= 320?40= 450?90= 160?40= 360?60= 180?90= 150?50= 320?80= 400?50= 360?60= 40?20= 720?80= 480?80= 350?70= 70?10= 100?50= 640?80= 80?40= 100?50= 200?40= 300?60= 140?70= 540?90= 160?40= 240?40= 180?60= 630?70= 540?60= 360?30= 400?50= 180?90= 180?30= 480?60= 400?50= 80?40= 570?30= 720?60= 900?30= 160?80= 420?70= 6) 960?60= 7) 420?60= 8) 900?50= 9) 420?10= 10) 620?20= 11) 240?80= 12) 400?40= 13) 630?30= 14) 950?10= 15) 740?10= 16) 840?30= 17) 680?40= 18) 822?6= 19) 380?20= 20) 620?10= 21) 300?50= 22) 140?70= 23) 300?10= 24) 940?10= 25) 360?40= 26) 840?30= 27) 680?40= 28) 822?6= 29) 380?20= 30) 300?50= 31) 850?10= 32) 960?6= 33) 990?90= 34) 210?10= 35) 240?60= 36) 530?10= 37) 300?50= 38) 850?10= 39) 960?6= 40) 990?90= 41) 210?10= 42) 300?50= 43) 960?80= 44) 180?90 = 45) 300?50= 46) 960?80= 47) 180?90= 48) 980?70= 49) 240?80 = 50) 280?40= 51) 980?70= 52) 400?80= 53) 970?10= 54) 270?30= 55) 1000?50= 56) 400?80= 57) 970?10= 58) 270?30= 59) 1000?50= 60) 670?10= 61) 180?30= 62) 220?20= 63) 490?70= 64) 350?10= 65) 990?10= 66) 860?20= 67) 960?30= 68) 880?40= 69) 480?20= 70) 670?10= 71) 180?30= 72) 220?20= 73) 490?70= 74) 350?10= 75) 990?10= 76) 860?20= 77) 680?20= 78) 300?60= 79) 900?10= 80) 900?20= 81) 770?10= 82) 690?30= 83) 990?6= 84) 950?50= 85) 60?30= 86) 260?10= 87) 540?60= 88) 580?10= 89) 260?20 = 90) 680?20= 91) 300?60= 92) 900?10= 93) 900?20= 94) 770?10= 95) 690?30= 96) 990?6= 97) 950?50= 98) 360?60= 99) 470?10= 100) 1000?10= 540/90= 47) 40/20= 48) 60/20= 49) 90/10= 50) 140/20= 51) 270/90= 52) 630/70= 53) 270/90= 54) 250/50= 55) 490/70= 56) 420/70= 57) 40/10= 58) 90/10= 59) 100/20= 60) 20/10= 61) 200/50= 62) 630/70= 63) 420/60= 64) 270/30= 65) 720/90= 66) 30/10= 67) 320/40= 68) 630/90= 69) 60/10= 70) 270/30= 71) 350/50= 72) 360/90= 73) 140/20= 74) 450/90= 75) 140/70= 76) 160/20= 77) 420/60= 78) 300/60= 79) 80/20= 80) 160/80= 81) 40/20= 82) 560/80= 83) 450/90= 84) 320/40= 85) 450/90= 86) 80/20= 87) 40/10= 88) 200/40= 89) 270/30= 90) 630/70= 91) 140/20= 92) 540/60= 93) 300/50= 94) 360/40= 95) 540/60= 96) 720/90= 97) 150/30= 98) 210/70= 99) 360/40= 100) 420/60= 12.3+4.06= 0.75+0.4= 1.34+0.8= 9.5-2.7= 1.8+8.18= 7.82-7.2= 8.7+0.03= 2.7+3.9= 9.3-8.8= 1.9+25.79= 7.85+3.4= 3.07+3.65= 1.83+2.7= 13.8+9.9= 4.29+2.1= 8.3-2.63= 1.7+0.43= 5-0.44= 12.6+3.42= 19.8-5.6= 14-0.14= 4.64+15.36= 0.99+1.8= 2.56-0.37= 3.9+2.03= 2.14-0.9= 7.55-4.1= 0.87+5.68= 13.3-5.28= 7.87+5.66= 62.3-1.25= 5.7-0.93= 10.5-3.25= 6.4+1.89= 4.1+28.9= 25.13-1.8= 5.87+35.26= 3.08+5.83= 5.62-4.2= 16.52-1.08= 35.85+8.04= 30.07+39.65= 11.83+62.7= 3.8+9.9= 54.29+27.1= 98.3-2.3= 10.7+0.93= 5.64-0.44= 1.6+68.42= 85.8-56.6= 20.2-7.09= 24+9.18= 10.89-10.25= 1.1-0.55= 2.22+0.8= 2.2-0.75= 54.78-10.24= 50.42+20.98= 2.34-1.2= 66.37+8.5= 8.02+15.28= 108.5-35.05= 0.32+1.57= 9.25+2.25= 9.23+4.52= 24.8+1.46= 5.58+1.89= 0.78+2.2= 0.8-0.45= 6.45-3.29= 92.7-0.05= 87.68-20.7= 75.8-17.5= 42.5-23.65= 56.2+9.38= 67.3+23.92= 4.72+8.49= 5.63+1.27= 9.06-1.59= 7.95-4.9= 8.02+5.08= 18.5-5.07= 4.32+18.7= 5.65+8.95= 7.3+49.52= 54.8+9.4= 6.8+89.8= 0.78+2.2= 0.6-0.59= 66.5-3.2= 55.63-5.6= 11.3+80= 15.6-4.4= 8.4+35.76= 8.8-2.69= 62.9-2.17= 6.08+12.3= 3.9+1.32= 15.78+23.9= 4.5-1.5= 3.7+7.25= 64.79-8.67= 5.3+19.45= 4.86-0.42= 3.06+8.45= 4.64+2.36= 7.8+45.22= 1.8+5.75= 0.63+4.5= 29.9+5.6= 4.78+3.94= 98.8+0.08= 47.3+5.04= 33.1-7.65= 6.07-5.63= 56.3-28.7= 1.62-1.58= 2.15+10.86= 81.1-14.9= 4.2+3.76= 12.7-0.55= 7.68-2.74= 5.58-1.75= 12.45-0.65= 6.32+8.3= 27.3+73.2= 4.22+8.46= 5.63+1.25= 9.36-1.59= 7.65-4.19= 3.9+7.5= 16.9-1.79= 5.63+9.5= 4.6-0.52= 3.56+5.75= 2.64+2.36= 76.8+5.2= 1.5+5.5= 0.68+4.85= 39.7+5.06= 2.42+0.59= 57.5+1.36= 6.09+8.04= 4.98+1.89= 6.4+53.6= 32.01+5.05= 24.4-15.5= 3.6+20.02= 41.2-2.66= 4.4+7.68= 92.7-0.05= 87.68-20.7= 75.8-17.5= 42.5-23.65= 56.2+9.38= 67.3+23.92= 4.72+8.49= 5.63+1.27= 9.06-1.59= 7.95-4.9= 2.42+0.59= 57.5+1.36= 6.09+8.04= 4.98+1.89= 6.4+53.6= 32.01+5.05= 24.4-15.5= 3.6+20.02= 41.2-2.66= 4.4+7.68= 55.63-5.6= 11.3+80= 15.6-4.4= 8.4+35.76= 8.8-2.69= 62.9-2.17= 6.08+12.3= 3.9+1.32= 15.78+23.9= 4.5-1.5= 4.78+3.94= 98.8+0.08= 47.3+5.04= 33.1-7.65= 6.07-5.63= 56.3-28.7= 1.62-1.58= 2.15+10.86= 81.1-14.9= 4.2+3.76= 2.32+0.59= 6.5+18.9= 6.9+8.4= 4.9+1.87= 6.5+13.56= 33.51+5.5= 48.43-15.65= 3.36+0.92= 41.92-2.6= 4.5+17.58= 5.63-5.21= 1.3+8.56= 14.6-0.34= 8.24+3.76= 8.88-2.69= 42.5-22.17= 6.2+12.63= 3.8+1.37= 15.28+28.99= 4.65-1.15= 4.08+3.96= 28.8+3.58= 45.03+5.4= 34.71-5.65= 68.07-5.63= 6.3-2.07= 51.62-16.58= 22.15+16.96= 51.16-14.6= 4.6+3.76= 3.94+35.6= 41.43+22.68= 7.08+28.95= 28.3+1.95= 19.29-9.3= 6.8-5.05= 25.63-7.52= 25.9+31.1= 99.1+1.9= 35.5+25.4= 32.5+6.84= 35.43-15.3= 101.7-81.65= 17.26+56.17= 53.69+39.05= 8.99+58.06= 26.5-15.7= 27.37+6.58= 50.43-34.4= 13.29+25.58= 四年级口算(七) 11.3+31.25= 9.37-6.8= 44.9-31.9= 20.1-19.9= 71.4+22.57= 7.06+2.87= 0.8+82.2= 2.55+9.45= 51.9-21.8= 29.4-8.83= 四年级口算(八) 5.12+7.84= 7.56+4.36= 81.9-56.45= 35-15.6= 18.26+3.8= 71.05+2.25= 40-27.35= 16.09+7.01= 3.46+5.05= 11.16-2.36= 145.8-15.3= 128.9-17.7= 35.5+41.9= 13.56+24.44= 33.8-25.6= 158.3-38.2= 4.97+7.29= 18.9+27.1= 0.9+121.1= 96.7+16.3= 23.5-4.05= 5.4+73.65= 1.8+3.09= 75.9-38.7= 51.2-11.2= 22.13+4.07= 76-47.88= 39.1+2.09= 48.6-47.9= 1.6+20.47= 211.9-11.8= 31.7+57.7= 9.81-0.09= 28.23-2.02= 198.3-25.1= 132.8-59.8= 91.9-21.1= 9.28+1.69= 59.9+41.1= 97.8+14.55= 29.8-3.5= 57.62+5.5= 0.95+9.65= 36.9+6.1= 30.5-15.6= 9.05-3.4= 26.7+13.3= 41.9-5.8= 16.89-2.46= 85.6-45.1= 7.94+18.5= 4.28-1.93= 9.53+3.3= 36.1-31.4= 5.02+3.73= 44.6-15.15= 21.2+58.36= 9.07+48.1= 17.6-6.29= 13.47+85.4= 3.29+12.5= 62.3-33.75= 4.83+10.51= 13.98+16.3= 6.03-3.7= 9.84-2.77= 8.15+32.5= 35.82-5.67= 5.69+17.2= 4.25-2.11= 四年级口算(九) 80.09-14.49= 11.89+7.74= 8.41-1.16= 4.05+44.83= 57.63-40.43= 25.54-17.32= 4.46+36.8= 25.64-5.01= 34.9+35.5= 74.32-8.75= 四年级口算(十) 5.93+6.13= 37.5-4.06= 10.73-2.19= 14.01+3.99= 8.63-7.73= 27.9+25.55= 11.43+8.34= 26.8-17.06= 67.1-49.05= 13.74+9.53= 7.25+5.23= 3.84-3.48= 9.15-7.4= 4.42+16.34= 33.46-16.06= 8.74+13.82= 3.36-3.29= 46.1+6.95= 17.01-3.72= 29.22+6.33= 83.2-7.9= 47.2-19.6= 39.8+6.79= 9.11+15.9= 85.2-59.3= 3.17+5.6= 6.9-1.15= 8.75+6.7= 4.78+19.4= 43.2-35.5= 4.47+9.64= 69.2-30.4= 16.08+7.78= 12.25-7.62= 36.28+24.9= 51-35.6= 6.11-2.2= 4.86+17.4= 65.16-30.01= 34.9+9.09= 3.92-2.1= 16.3+28.1= 3.57+11.5= 34.1-12.05= 10.37+8.6= 39.5-7.2= 28.04-5.8= 2.37+6.94= 61-10.7= 8.46+5.38= 5.36+4.1= 14.8+16.2= 15.16-2.4= 16.18+45.96= 0.51+2.86= 11.52+22.74= 31.26-2.9= 32.6+5.97= 31.28+13.82= 22.81-10.92= 50.36+15.63= 2.6+16.44= 21.55+20.6= 5.66+1.44= 1.69+5.88= 51.26+5.8= 27.3+4.4= 53.6-16.83= 22.54+6.66= 13.2-1.66= 四年级口算(十一) 24.5-1.9= 51.62-2.8= 23.4-12.48= 4.56+12.56= 46.25-5.6= 23.56+12.45= 22.11-3.87= 63.25-7.78= 24.26+15.83= 18.37+15.7= 四年级口算(十二) 1.83+9.26= 13.02+5.99= 31.24-16.5= 10.33-7.7= 16.5+43.25= 60.03+19.57= 16.59-1.66= 43.33-5.6= 28.16-6.9= 38.19-2.6= 13.8+37.85= 17.51-3.6= 55.16-22.37= 2.37+1.68= 73.28+1.44= 30.73+9.5= 13.6-12.69= 41.52-23.51= 23.6-1.77= 30.26-16.45= 2.77-1.78= 16.73-8.16= 36.45+17.49= 29.4-1.66= 43.16-8.8= 26.5-13.66= 55.1-44.9= 36.45+3.55= 6.69+1.8= 55.33-6.9= 20.88-19.5= 12.34+23.45= 32.14+5.6= 47.11-28.22= 25.36-23.79= 5.3-2.89= 2.09+43.6= 16.25+8.67= 13.44-2.48= 49.2-13.61= 13.16+8.48= 11.04+6.98= 1.3+9.77= 7.8+13.22= 16.88-7.91= 31.55-8.6= 3.68+16.33= 15.6+15.06= 15.32-6.83= 38.38-46.46= 12+8.2= 25.7-6.2= 3.48+6.6= 2-1.07= 2.31+8.49= 23-0.3= 11-1.1= 17.3-0.6= 8.8+32.2= 7.6+3.12= 2.3+26.52= 16.4-3.5= 9.9+2.01= 1.9+9.3= 2.3+4.5= 2.4+5.27= 1.4+46.6= 3.6+23.9= 4.09+2.6= 6.9+2.01= 四年级口算(十三) 31.9-1.8= 9.7+32.3= 51.2+0.12= 2.34+3.4= 0.11+4.2= 8.12-0.82= 31.8-0.9= 42.9+6.5= 5.36+6.7= 4.4+6.57= 四年级口算(十四) 3.5+16.8= 2.5+7.05= 4.5-3.9= 3.07+4.98= 7.6-3.26= 4.9+24.1= 3.7-0.07= 9.7+3.03= 2.8+4.08= 5.4+8.7= 6.87+2.2= 5.3+23.7= 9.5-0.05= 0.34+12.6= 8.9+0.21= 4.6+23.45= 1.09+9.6= 8.7+9.6= 34.7+3.3= 8.4-4.6= 25.8-4.5= 3.1+3.9= 7.5+41.5= 6.12-6.1= 64.7+0.5= 31-0.8= 22.8+4.9= 7.6+1.9= 2.5-0.05= 3.6-0.09= 3.9+8.1= 9.8+1.6= 11-0.67= 3.3+7.68= 6.5+6.05= 5.9+3.1= 6.1+3.8= 5.4-4.6= 2.13+2.7= 4.9+2.6= 15-1.6= 1.02+2.8= 5.3-3.5= 4.4+1.6= 6.06+3.4= 35.4+7.6= 7.7-0.8= 18-0.9= 3.3+3.06= 5.4+2.66= 5.86-0.8= 10-0.25= 5.5+5.75= 6.1+1.9= 0.7+30.5= 2.5-1.3= 15.4-0.6= 4.3+5.6= 1.8+5.57= 10.6-0.3= 6.3+4.56= 25.4-3.5= 19.8+3.3= 6-0.35= 7.3-0.7= 2.5+5.63= 13.4+6.5= 18-0.8= 2.4-2.02= 1.6+21.34= 四年级口算(十五) 3.3+4.5= 2.5+0.75= 5.4-0.3= 9.2+0.08= 12.5-6.5= 7.1+42.9= 5.6+5.5= 3.2-3.01= 6.45+2.5= 2.9+1.2= 四年级口算(十六) 5.3+23.7= 10.2-0.5= 1.4+6.06= 47.9-10.9= 2.3+8.77= 11.2-2.4= 38-16.5= 9.9+12.1= 29.8+10.2= 17.8-2.9= 2.3+0.07= 6.04+3.96= 7.2-6.8= 10-3.5= 3.4-2.9= 13.6-8.6= 27.6-6.6= 8-0.4= 7.7-3.9= 5.8+3.2= 0.8-0.3= 6.25-3.2= 18-0.58= 13.8+1.9= 41.5-3.8= 3.56+6.4= 41.5+3.7= 4.7-2.65= 43.19+5.1= 52.7+7.53= 1.23+0.77= 4.3-3.4= 1.39+8.7= 1.81+3.3= 8.9+2.1= 3.6-24.8= 1.72+6.7= 12-1.2= 9.5+0.9= 5.9-2.2= 25.3+6.6= 16-0.53= 37.5+4.61= 7.58+0.3= 12.5-2.7= 10-7.6= 22.9-2.8= 1.18+20.9= 56.8-3.9= 35-4.5= 2.5+9.45= 6.35-1.5= 53.6-15.4= 8.08+2.02= 4.19-2.1= 2.27-0.5= 3.12+5.19= 37.15+2.85= 5.41+42.6= 45.2-15.2= 14.41+2.09= 26.1-19.4= 6.45+25.3= 14.29+5.11= 37.15-45.02= 12.5+5.64= 23.05-16.02= 5.93-3.6= 11.3+23.65= 9.17-5.06= 四年级口算(十七) 45.1-25.1= 9.58+4.3= 26.1+4.59= 4.6+18.67= 4.85+2.5= 3.3+9.8= 34.5-21.6= 8.66-2.46= 28.5-3.8= 25.6+14.4= 四年级口算(十八) 75.6-26.4= 3.07+20.5= 20.3-17.1= 24.3-12.24= 28.25+3.15= 31.26-12.5= 4.66+12.4= 16.72+0.6= 30.1-10.05= 23.9+7.88= 25.4-6.2= 7.51+3.8= 8.46-5.41= 42.1-6.1= 6.55-4.24= 5.09-3.4= 24.1+12.34= 3.94+6.2= 8.38+34.12= 12.6-2.5= 2.95+7.3= 6.19+9.24= 36.56-21.4= 6.03+7.57= 6.92+15.5= 10.7-5.8= 13.9+3.01= 25.8-5.6= 15.3+22.41= 14.65+2.1= 1.23+5.64= 48.5-6.4= 15.9+4.5= 6.49+42.8= 3.69+4.5= 1.89+4.3= 21.56-2.4= 56.4-26.3= 18.31-5.01= 11.6+35.45= 7.55+16.3= 54-23.6= 13.8+3.2= 35.12-4.1= 36.56-12.5= 21.5+11.65= 16.8-6.5= 29.4+0.06= 19.28-8.25= 23.7-11.9= 31.6-5.8= 27.3+0.85= 31.1-19.6= 13.55+0.65= 4.37+25.8= 2.21+27.3= 33.7-23.5= 12.86-5.6= 23.89+1.01= 25.92-15.8= 28.08+12.2= 33.5-12.7= 1.28+26.5= 3.61+36= 20.1+0.21= 25.67-5.6= 13.2+5.9= 13.25-3.2= 9.95+0.65= 3.64+38.5= 四年级口算(十九) 5.04+12.7= 42.6-24.6= 6.98+22.4= 41.8-30.7= 7.43+34.8= 15.85-12.21= 10.95-7.65= 2.14+20.3= 5.07+35.23= 36.1-18= 四年级口算(二十) 23.2-16.5= 26.3-25.2= 36.85-12.5= 20.09-19.9= 39.69+20.11= 5.4-4.8= 20.3+19.2= 0.01+9.99= 20.18-5.05= 7.85-2.34= 6.71+14.9= 29.4-7.8= 1.84+30.5= 36.87-3.6= 43.8-34.5= 7.44+0.66= 15.9-7.52= 9.45+13.6= 42.94-31.6= 6.45+8.7= 15.9+6.1= 0.23+12.5= 6.28+22.9= 0.98-0.24= 36.8-4.2= 10.12-0.21= 16.14+23.86= 0.12-0.01= 11.48+0.02= 13.52+0.7= 22.95-10.6= 3.65+34.6= 5.18-3.08= 6.07+30.5= 12.32+5.6= 5.71+23.6= 4.57+0.03= 28.6-12.5= 18.6-5.5= 24.33+12.5= 2.65+3.45= 25.89-12.8= 7.5-2.9= 66.6+33.4= 18.2-0.18= 19.13-16.11= 25.76-15.6= 18.16-0.61= 13.96-2.9= 51.1-2.1= 4.15-3.45= 56.23+12.89= 18.08+22.9= 11.07+13.93= 30.5-6.57= 23.05+45.1= 20-12.25= 60-32.5= 3.45+12.95= 66.25+33.75= 24.8-11.6= 10.07+3.93= 8.9+4.35= 40.9-20.09= 43.17+2.9= 25-4.54= 14.6+4.56= 5.76+3.42= 4.49+4.11= 6.5+5.8= 四年级口算(二十一) 23.1+45.09= 11.2-4.8= 13-4.23= 12-4.55= 8.99+2.11= 19.02+6.9= 6.45+3.95= 31+8.1= 2.45+35.5= 1.98-0.89= 四年级口算(二十二) 11-4.5= 6.3+4.07= 60.75+3.25= 13.5+11.25= 30-5.55= 12.48+3.45= 12.45-0.65= 3.69+6.31= 5.9+4.13= 4.24+3.56= 15.8+11.9= 43.02-15.9= 6.25+13.75= 2.75+7.35= 10.45+3.55= 3.5+45.9= 20.17+20.71= 4.67+3.33= 21.7+9.3= 20.5-4.6= 2.12+3.88= 9.8-3.28= 20.78+4.66= 20.4+5.6= 13.8-4.2= 5.12-4.22= 7.45+1.89= 7.24+12.6= 23.88+10.2= 11.8+40.2= 2.07-1.98= 10-7.98= 2.34+19.78= 31.44-5.64= 98.1+10.2= 11.2-4.9= 34.2+2.9= 12.8+13.23= 6.08+3.94= 12.65+0.35= 2.03+12.5= 6.35+3.75= 3.67+45.03= 4.6+3.04= 3.89+2.11= 8.97+3.03= 6.84-4.44= 6.12+5.78= 5.64-4.34= 60.2+5.34= 40.5-4.05= 54.3+44.53= 54.12+3.89= 3.56+6.12= 4.37+6.33= 6.45+4.3= 6.34+6.66= 12-5.88= 6.4+34.5= 12.3+5.6= 5.28+16.14= 30.5+9.6= 2.36+7.59= 13.16+53.59= 43.16+3.77= 5.58-2.19= 43.21-12.34= 16.55+2.9= 7.77+13.33= 13.32+7.6= 四年级口算(二十三) 10.8-4.9= 3.08-2.88= 3.4+2.89= 6.78+5.43= 4.32+60.7= 8.9+1.1= 5.2+6.82= 50.12+4.78= 60-4.34= 8.98+4.23= 四年级口算(二十四) 46.11-26.52= 27.31-18.27= 34.12-16.55 16.7-8.86= 50.55-18.67= 22.68-8.86= 26.71+16.8= 24.56-7.66= 16.46+27.82= 43.52+8.86= 3.67+50.3= 35.46+10.44= 30-6.45= 45-4.05= 34-5.2= 43.1+5.09= 53.2+1.2= 4.4+6.41= 45.23+1.67= 40-5.7= 23.4-16.8= 26.43+16.56= 12.34-1.23= 25.26-8.9= 43.73+17.62= 17.3-8.74= 15.84+9.99= 16.73+8.3= 13.75+3.84= 23.01-8.3= 12.3+4.5= 4.53+11.4= 46-4.6= 31.2+38= 3.45+25.5= 4.23+7.21= 39-4.9= 39-12.5= 6.8+54.2= 5.6+56= 21.21-19.12= 24.82+16.18= 5.86+18.59= 2.28+37.8= 15.8-14.79= 27.19-5.56= 19.89-8.26= 49.23-7.76= 35.59-16.6= 5.79+16.76= 4.8+7.6= 25.4-7.3= 1.72+3.5= 8.9-4.6= 26.3-10.5= 2.5+4.9= 11.8+9.3= 3.12+6.9= 0.74-0.4= 8.5-6.8= 4.3-2.1= 6.2+7.8= 6.45-4.8= 5.97+25.4= 3.1-0.7= 4.12-3.76= 1.14+3.08= 1.06+5.08= 0.07+2.18= 35.3-4.7= 四年级口算(二十五) 4.9-3.5= 5.01+6.4= 8.34-5.6= 6.7+2.1= 6.04+3.08= 3.58 +95.7= 4.05-2.4= 5.07+1.8= 9.27-6.5= 18.7-3.9= 四年级口算(二十六) 5.7-0.63= 8.8-4.3= 3.07+5.09= 5.8-2.9= 5.9+0.5= 0.09+1.23= 5.5-1.9= 0.02+1.19= 6.2-3.5= 3.65+4.73= 2.17-1.05= 7.51-8.3= 5.6-2.57= 8.4-5.05= 5.98-3.9= 2.06-8.01= 5.05+6.09= 5.4-3.08= 5.3-8.4= 5.96+9.7= 4.8+7.6= 5.4+7.3= 4.95+16.2= 6.3-4.4= 21.2-3.9= 2.56+4.18= 8.6-4.8= 7.04-3.18= 3.12-0.09= 4.97+0.15= 5.8+3.39= 3.3-7.6= 2.1-0.07= 0.6+1.8= 7.4-0.9= 4.5-0.67= 9.1+4.8= 7.2+3.9= 6.09+93.5= 22.5+4.7= 6.9-3.6= 7.1-3.6= 8.8+9.4= 8.5-6.7= 8.4-1.02= 0.08+5.03= 1.04-0.08= 4.2+3.59= 6.37-5.6= 27.6-2.5= 17.25+3.3= 4.04-1.1= 75.06+1.9= 2.5+44.85= 19.8+5.42= 32.6-5.3= 44.6+4.4= 2.1+1.2= 67.45+5.5= 21.5+2.35= 30.1-20.9= 23.4-2.48= 5.9-0.08= 6.3-5.29= 6.5-1.53= 7.4+5.16= 7.2+6.8= 7.21+6.97= 21.64+24.5= 64.2-3.22= 四年级口算(二十七) 60.7-2.88= 98.5-28. 6= 60.1-7.9= 8.92+5.7= 98.8-4.5= 98.3-67.7= 9.9+43.9= 3.3+89.6= 2.77-1.5= 4.78-0.77= 四年级口算(二十八) 20.2-7.09= 24+9.18= 10.89-10.25= 1.1-0.55= 2.22+0.8= 2.2-0.75= 54.78-10.24= 50.42+20.98= 2.34-1.2= 66.37+8.5= 67.3+10. 5= 1.5+10.68= 53.13+2. 4= 6.3-3.85= 78.2-2.4= 10.3+87.97= 98.3+4. 7= 5.8+27.9= 34.2+12.8= 37.25-13.12= 46.4+15.99= 8.8-6.21= 6.1-1.1= 10.48+0.2= 1.41-0.98= 83.7+4.8= 88.36+0.65= 63.6+9.87= 86.16+3.77= 60.33+9.8= 30.96-4.9= 9. 5+0.74= 81.4+10.8= 10.5-2.7= 36.8+0.8= 0.82-0.28= 5.7+10.03= 86.7+35.9= 7.3-3.78= 56.9+2.79= 35.85+8.04= 30.07+39.65= 11.83+62.7= 3.8+9.9= 54.29+27.1= 98.3-2.3= 10.7+0.93= 5.64-0.44= 1.6+68.42= 85.8-56.6= 1.4-0.14= 64.64+36.36= 40.99+61.9= 54.86-7.77= 34.9+7.08= 5.14-0.99= 7.5-4.18= 0.7+5.4= 83.3-5.8= 7.81+5.6= 65.3-1.75= 8.7-0.98= 0.5-0.03= 5.4+3.86= 4.3+20.9= 22.1-1.88= 5.27+34.2= 3.38+51.3= 5.22-4.26= 16.22-1.8=