五
数学分数方程
及答案
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五年级下册数学分数方程练习题及答案
320=45+6X X-0.6X=x+8.6=9.4
52,2x,15
15x ,30
3x+9=12
5.37+x=7.47
13?x ,1.x+9,3618=15?3x= X+8.3=19.7=12x=320+4x0?x=85
1.8+2x=620-3x=170 =18
0.5x+9=406x+3x=3 1.5x+6=3x
5×3-x=8
48-20+5x=31
70?x =4
5=100
40-8x=x+2x+8=805.6-x =1.6x+3x=70
x?5=2100-x?5=30.8-2x=3.=50
二、提高类方程。
4=3=84
5=3x
=5x+60
?3=2x+1
12?8x=3
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8x-15×6=3x-20
7x-7=6x+x-6x+30=12x+15240?=30 ?8=5x-21+4x)×2=10x+14×2=4x+1
841111173531
,,+,,( , , ,1191268101064五年级下数学分数加减法练习题B卷
一、直接写得数
2.4?0.08=10.8?9=9.6?0.8= 108?0.2=
0.49?0.7= 0.65?0.1=3.25×100= 0.25×8=
0.56?0.07= 1.25×4=3.28×0.1=3.9?0.13=
0.72×0.1= 0.01×0.1=0.25×0.4= 1.6?0.8=
712,(4, 1 1331232,+5-10
1492+23,18-29+9-32154124-9+46-9+6-9912310-7+815+47+711110+3
+10
14+712+34+51212+575249
18+19-11+9-110.88+
68-7.5+32-2. 15-5?12-7
12
10-4.8-3.2256-3+24
1720-518+8-310-110
514+3914+14+414
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+0.12
57, 194, 143,=, 1= 1, =,1= 11, = 10 , 1310 , 10 =二、解方程x,374
x,(135,516,2+ x =3242, 1=7,12
= , =1, 1=2, 137
=10 , 10 = , 1=7,13
= ,=6,=131
10 ,= , =1,1=5, 131
= 10 , 10 = 11,, 121
= 1, ,
= ,535
128,614,x =
4,0.8
56x , 1111136x=4x, 1=30
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