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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