练习题(五年级上册计算题)
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0.6×0.8= 3×0.9=
2.5×0.4=
3.6×0.4=
4×1.3+4×1.2= 12.5×8 =
50×0.04= 80×0.3 =
1.1×0.9=
2.36－0.3×1.2=
0.38×0.23 5.79×3.6 4.6×0.25 12.5×0.4×2.5×8 9.5×101 43.2－1.8×3－4.6 4.2×7.8+2.2×4.2 0.87×3.16+4.64
12.5×4.8 4.7×4.7+4.7×6.3－4.7 712.5×3.2×0.25 4.65×32+2.5×46.5+0.465×430 7.25×67.875+725×0.7875+7250×0.053375
0.1+0.3+0.5+0.7+0.9+0.11+0.13+0.15+0.17+0.19+……+0.99
7.06×2.4－5.7
×0.5×4
0.65×105
×0.25＋25.8
4.8×
×2.5＋0.8×2.5
68.8÷4
85.44÷16
67.5÷15
289.9÷18
101.7÷9
243.2÷64
16.8÷28
15.6÷24＝
0.138÷15
1.35÷27
0.416÷32
3.64÷52
91.2÷3.8
0.756÷0.18
51.3÷0.27
26÷0.13
10÷1.4
2.688÷0.56
10.625÷25
126÷45
10÷25
2.7÷7.5
15÷0.06
25.6÷0.032
14.36÷2.7
8.33÷6.2
1.7÷0.03
32÷42
1.25÷1.2
2.41÷0.7
（2.65+2.77）÷（1.98-0.98）= 3.7×91.6+6.3×91.6=
0.45×12×0.2= 6.2×2.1－2.1=
2.8－2.8×0.15= 2.8×1.43＋0.57=
10－6.06＋8.5= 3.416÷（0.016×35）= 6×0.25×1.8=144÷3.6＋27.2=
0.87×3.16+4.64= 6.8×0.75÷0.5=
13.75÷0.125–2.75=53+23.4÷7.2= 2.881÷0.43－0.24×3.5=28-（3.4+1.25×2.4）= （31.8+3.2×4）÷5=31.5×4÷（6+3）= 0.64×25×7.8+2.2=2÷2.5+2.5÷2=
194－64.8÷1.8×0.9=36.72÷4.25×9.9=
5180－705×6=24÷2.4－2.5×0.8=
八、用简便方法计算下面各题
5.12＋2.54＋4.88=12.5×17.8×0.8=
9.9×2.5= 9.6+9.6×99=
9.4×5.8＋10.6×5.8=0.125×0.32×0.25=2.8×7.6+1.4×2.8+2.8= 6.3×10.1=
0.25×3.2×12.5= 9.5×101=
12.5×9.7+12.5×8.7= 3.7×91.6+6.3×91.6= 16.84÷40÷0.25=12.5×0.4×2.5×8=
4.2×7.8+2.2×4.2= 2.55×7.1+2.45×7.1=
九、解方程
4（x+0.3）=4.8 1.2x-0.8x=9.6
20+x=36 （10-7.5）x=1
7x-55=590.7x=4.2X×1.8=0.9720.06×X=1.02 X÷0.13=0.7 12.4÷x=31 4.3×8.14≈27.6×0.45≈27.6×0.45≈20÷12≈
2.9×1.8≈ 5.08×0.25≈
2.5÷0.7= 2.5÷0.7=
3.25×9.04= 15.3÷11≈36.8÷16≈10.1÷3.3≈0.78÷1≈
递等式计算，能简算的要简算。
8.7×10.1 7.06×2.4－5.7 6.35÷0.8÷1.25 2.5×6.8×0.4 2.5×3.2×1.25 21.36÷0.8×2.9
102×0.45 8.27＋7.52＋1.73－3.52 0.79×99＋0.79 2.8×3.2＋3.2×7.2 0.15＋0.75×18 72＋8÷2.5－30.2