题目内容

【题目】脱式计算,能简算的要简算

8.2+9.6×0.5 101×0.73

17.64÷4.9+6.73 3.64÷5.2×2.8

【答案】13 73.73 10.33 1.96

【解析】

8.2+9.6×0.5

=8.2+4.8

=13

101×0.73

=(100+1)×0.73

=100×0.73+1×0.73

=73.73

17.64÷4.9+6.73

=3.6+6.73

=10.33

3.64÷5.2×2.8

=0.7×2.8

=1.96

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