五年级数学简便计算练习题.docx
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五年级数学简便计算练习题
简便计算
(1)
5.32+7.93+4.682.5×0.39×0.4
32.1-8.3-1.712.39-(5.18+2.39)
(25+2.5+0.25)×41.8×3.5+2.5×1.8
12.5×8.83.6×1.2÷3.6×1.22
6.8×3.6+2.68×641.31×12.5×8×2
1.25×32×0.253.8×0.99
简便计算
(2)
4.6×99+4.67.5×101-7.5
1.25×2.5×(80×4)4.6×47+4.6×54-4.6
7.68÷2.5÷0.40.45×72+45×0.18+4.5
5.5×990.125×72
12.5×0.4×2.5×89.5×101
4.2×7.8+2.2×4.20.87×3.36+4.64×0.87
简便计算(3)
4.08×0.25490×0.35
5.28×9912.5×4.12×0.8
5.7×10.149×0.125×8
0.4×63×2.50.5×7.6×20
0.34×1014.86×994.9×101
8.75×11-8.759.9×2120.68×101
简便计算(4)
3.26×5.7-3.26×0.755.6×99+55.6
1.25×213×0.86.1×3.6+3.6×3.9
4.75×99+4.752.73×99
1.2×2.5+0.8×2.5101×0.45
0.25×4.78×40.65×202
7.2×8.4+2.8×8.40.78×98
4.8×0.251.5×1050.3×2.5×0.4
简便计算(5)
56×1.251.25+4.6+0.751.6×7.5×1.25
49×0.125×80.4×63×2.50.5×7.6×20
9.6×100.142×10.29.8÷0.5÷2
28.4×99+28.40.94×2.5-0.9×2.5
4×0.8×12.5×2.53.6×101
0.125×720.25×39+0.25
简便计算(6)
3.2×0.82+3.2×1.181.58×99+1.58
10÷0.2÷2.514.5×1021.25×3.2×0.25
12.15-3.83+0.85-6.172.65×1.7+1.35×1.7
3.55×0.4÷3.55×0.40.125×0.38×80
18.6-18.6×0.53.58×3.6+6.4×3.58
3.05÷0.25÷44.25×0.4÷4.25×0.4
解方程
(1)
20-X=9X-1.8=415-X=2
2.1÷X=3X÷7=0.31.6X=6.4
6X-35=133X-12×6=6(5X-12)×8=24
(100-3X)÷2=86X+3=94X-2=10
5X-39=5618+5X=218X-4×14=0
7X÷3=8.1943-X=386.3÷X=7
解方程
(2)
7(X-20)=1406.7X-60.3=6.79X+X=0
4(6X+3)=602X+23×4=134(3X-4)×5=4
2X+1.5X=17.58X-3X=1053X+X+6=26
3X+6=182X-7.5=8.516+8X=40
4X-3×9=292(X-2.6)=85(X+1.5)=17.5
8(X-6.2)=41.6(X-3)÷2=7.513.2X+9X=33.3
解方程(3)
8X-3X=1055.4X+X=12.8X-0.36X=16
X+4.8=7.2X-6.5=3.2X÷8=0.4
6X+18=483(X+2.1)=10.512X-9X=8.7
3.8+X=6.3X-7.9=2.62.5X=14
X÷3=1.23.4X-48=26.82X-97=34.2
42X+25X=13413(X+5)=1695X+7=42
解方程(4)
X÷4.2=23.6X-X=3.252(X-3)=5.8
X÷1.44=0.43.85+1.5X=6.16X-0.9=4.5
7.8X+2.4X=20.42(X+1)=66(X-1.5)=15
4X-12×3=100(X-5)÷3=7X-0.28X=3.6
0.3×4-2X=0.24(X+6)=36X-0.8X=1.2
6X-2X=200.5+7X=183X-6×8=0
解方程(5)
8X+19=512.7X-14=21.1X-0.38X=1.24
5.3X-2X=1.324(X+4.5)=205X-7.3=7.7
3.6X+8.5=22.97X+4×3.5=24.55X+28=48
6X-12=3045-3X=2454-X=24
7X=49126÷X=423.5-X=2.5
1.8÷X=29X=92719.4-X=7
列方程并求方程的解
1.X的7倍比52多25。
2.X的9倍减去5,等于49。
3.X加上26等于54。
4.X与5的积是85。
5.X与2.3的差是4.7。
6.X除以12等于4。
7.0.3与14的积比X的3倍少6。
8.X的5倍比3与7.2的积小3.4。
9.8X与3X的差等于27.7与4.8的差。
10.X的7倍减去21,差是14。
11.X的5倍比X的2倍多12。