北师大小数加减法乘法混合运算练习题文档格式.docx

北师大小数加减法乘法混合运算练习题文档格式.docx

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0.39=140×

0.64=13.5-8.05=15.4+9.82=

2.38×

2.03=12.5+3.68=12-6.51=2.46×

3.5=

12-6.51=0.36×

1.9=15.06-8.89=10.6×

5.4=

36.5-17.85=8.52+16.6=0.607×

0.25=8.4×

0.26=

二、用你喜欢的方法计算。

3.67+5.04+1.9625.72--13.08--4.4716.7+5.85-12.76

17.49--（5.56+2.49）10--3.37--5.6319.94--（3.94+5.28）

0.802+7.34+0.198-5.342.5×

8.7×

0.42.7×

9.9

2.93×

3.6+6.4×

2.937.6+2.4×

0.92.47×

9.9+0.247

3.57+5.86+1.434.82×

1.0143.27-6.39-3.61

5.28×

0.64-5.28×

0.540.74×

5.4+0.74×

4.6

3.33×

2.5×

0.416.8-6.8×

0.2510.63-（5.29+1.63）

28×

9.90.94×

5.2+9.4×

0.483.2×

4.6+5.4×

3.2

2.85×

99+2.85（9.5-1.2×

4）×

0.68.8×

1.25

4.29+3.37+0.71+0.639.8×

10.1-9.88.5×

（15.4-7.8）×

3.54.15+3.24+9.85+6.768.7×

5-6.7

12.8+2.04×

9.54.5×

3.6+5.2×

0.356.15×

9.4-42

4.5×

0.9+5.5×

0.925.5-5.5×

2.475.34+6.6-5.34

0.59×

99+0.59（40-0.08×

90）×

0.680.6-6.43-3.57

9.74-（1.86+2.9）6.25+3.99+3.753.5-3.5×

0.2

99×

0.62+0.6215.73-2.17-1.8351.6+5.4×

0.8

3.2×

12.5×

2.59.2+0.8×

2.34.1×

2.6+2.6×

5.9

14.5-（1.7+1.8）17.41-（7.41-0.59）3.97×

9.9+0.397

5.66+7.9+4.341.8×

0.85+0.15×

4.812.43-7.8-2.43

3200÷

4÷

252.27+0.68+0.32+7.63162.3+29.85-62.3

64.2-37.82-12.1842×

101-426.71×

0.52+4.8×

0.671