五年级数学计算题Word文档下载推荐.docx
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1.03×
5.9=3.8÷
4.5≈(得数保留两位小数)
0.86×
1.2=5.63÷
6.1≈(得数保留两位小数)
7.6×
0.910.5×
0.34.25×
0.18(得数保留一位小数)
0.3÷
0.12104.78÷
26(得数保留一位小数)34.2÷
0.8验算
3.5×
16=0.19×
7.5=验算
227.8÷
0.34=7.525÷
0.38=(得数精确到百分位)
36×
5.5 18×
3.06 3.45×
21
0.28×
0.25150×
0.120.87×
1.5
0.03÷
0.12=验算:
52.78÷
26=验算:
1.86×
0.473.81÷
7(得数保留两位小数)
0.4×
0.076 1.5×
0.062 6.5×
0.04
二、递等式计算,能简便的用简便方法计算。
5.5×
8.2+1.8×
5.50.25×
0.89×
44.8×
0.98
8.8×
1.257.65÷
0.85+1.123.4÷
5.2×
3.2
2.35×
4.64+5.36×
2.3512.5×
1.36×
0.82.6×
10.1
4.4×
0.2525.2÷
12+2.943.5÷
15-1.45
1.87×
3.05+8.13×
3.051.25×
0.45×
0.89.8×
3.7
0.44×
2.52.25×
0.4+0.631.04÷
3.2-4.7
3.26×
10.1-0.1×
3.260.125×
9.8×
8102×
4.8
2.4×
2.5(27.8-15.6)×
0.89.12÷
57+4.84
12.6×
9990÷
25÷
4
1.39×
6.1+3.9×
1.390.25×
1.6×
0.410.1×
1.9
1.250.48×
20.2-4.242.72÷
0.48+0.52
1.2×
2.5+0.8×
2.52.33×
0.25×
4102×
0.45
1.257.06×
2.4-5.70.21÷
1.4+2.6
8.7×
10.17.06×
2.4-5.76.35÷
0.8÷
1.25
23.4÷
7.8-2.35.4+4.6×
150.84÷
7+0.36×
8
2.5×
6.8×
0.42.5×
3.2×
1.2521.36÷
0.8×
2.9
5.65×
1.8+4.35×
1.82.5×
1.25×
3.2
63×
10.19.76×
0.72-0.76×
0.72+0.72
三、解方程
1.8x=72x÷
5.4=1.2x-32.5=94
91÷
X=1.31.2x÷
2=60(x-4)×
0.5=10
4X+1.2×
5=24.48X-5X=276x-10.8=13.2
5.5+X=8X-6=8.43X=2.7
0.4X=16X÷
7=0.311X=1.1
9X÷
4=1353X-1.6=32.61.5×
30-5X=10
2X+1.5X=42(X-3)÷
2=7.58(X-6.2)=41.6
x+4.2=14.816+8x=404x-3×
9=29
5X+3X=33.6X-0.36X=165.4X+X=12
2(3+x)=9.20.85(x-6)=5.10.5x+0.8x=0.39
5.4x+x=12.8