山东省工程造价咨询合同范本

脱式计算（能简算的要简算）2.5×7.1×416.12×99＋16.125.2×0.9＋0.97.28×99+7.284.3×50×0.264－2.64×0.526×15.7＋15.7×24(2.275＋0.625)×0.283.94+34.3×0.21.2×(9.6÷2.4)÷4.88.9×1.1×4.72.7×5.4×3.93.6×9.85-5.468.05×3.4+7.66.58×4.5×0.92.8×0.5+1.5832＋4.9－0.94.8－4.8×0.5(1.25－0.125)×84.8×100.156.5×99＋56.57.09×10.8－0.8×7.094.85+0.35÷1.48.7×17.4-8.7×7.412.5×0.4×2.5×80.87×3.16+4.649.5×1010.68÷（5.2-3.5）×1.2540.5÷0.81×0.184.8×（15÷2.4）6.81+6.81×990.25×185×404.4×0.8－3.4×0.8(9.37+9．37+9．37+9．37)×2．52.37×6.3+2.37×3.72.5×1.25×0.323.8×10.12.5×(3.8×0.04)7.69×1013.8×10.10.25×39+0.250.125×7246×0.33+54×0.33(8×5.27)×1.256.81+6.81×990.25×185×406.8×0.75÷0.53.75÷0.125–2.751.53+23.4÷7.29.5×9913.5×0.9812.5×8.8二、解方程：54-X=247X=49126÷X=4213+A=28.52.4X=26.47.5x－3x=185×1.3-2x=5.524x+6x=63.65.6x+4.4x=5.2x＋3.86=5.4617.89－x=12.8940.8＋x=57.3x－3.25=162x＋0.82＝8.23＋0.5x＝77.8÷x＝2.680x÷4＝125－0.9x＝2.752x＋0.4x=486－2x＋6x=1835x＋13x=9.60.52×5－4x=0.60.7(x＋0.9)=421.3x＋2.4×3=12.43.5x=1402x+5=4015x+6x=1685x＋1.5=4.513.7—x=5.294.2×3—3x=5.120.5－4x=8.13.6x÷1.2=9.7518×1.5－1.7x=13.418.5x－9.9x=1.7219.2x+1.5x=32.17.2×5－8x=11.2计算下面各题(能简算的要简算)7.05×23.7+7.05×76.30.125×3.2×2.512.81－(1.5+7.81)8.7×2.6+6.4×8.7+8.71025－1125÷4.5×3.612.25－3.1＋0.85－6.17（1.9－1.9×0.9）÷（3.8－2.8）2.65×1.7＋1.35×1.7列竖式计算，得数保留一位小数。1.2×1.4＝0.37×8.4＝3.14×2.8＝0.85×1.12＝0.86×5.4＝0.15×2.34＝40÷14＝26.37÷31＝45.5÷38＝1560÷35＝4.8÷2.3＝1.55÷3.9＝7.2÷2.1＝3.87÷7＝146.4÷13＝5.63÷6.1＝2.84×0.03＝0.38×0.13＝26.37÷31＝32÷42＝2.84×0.03＝4.8÷23＝0.382×0.13＝4.2÷4.5＝列竖式计算1.64＋2.35=8.65－6.31=28.448÷14=0.58×250=12.5＋3.6=10.88÷34=10－7.64=1.86×7=13.88－6.29=926×0.15=8÷500=26.3＋7.93=23×7.06=100.2－2.28=44÷9（精确到百分位）三、计算（能简便的用简便方法计算）8×25×1．25×164．04×25045．55－（6．82＋15．55）3．2×99＋3．24.8×39＋61×4．834．52－17．87－12．232．5×56+4．5×65489×101－4894．57+3．17+3．43+5．834．6×56＋48×4．6－4．6×4竖式计算：18÷24=43.68÷26=25.3÷0.88=0.1575÷3.15=0.612÷1.8=16.787÷0.28（保留一位小数）1、算下面各题2.36×0.222.8×4.583.57÷4.282.8÷3645×2.463.6÷0.24382.5÷456.4×5.482、简便计算3.6×2.5+7.5×3.62.5×1.20.125×324.3×0.96.5×1023.25×99+3.25