题目内容
【题目】脱式计算,能简算的要简算
2.6×1.08﹣2.39 (16.58+1.69)÷0.7
35×0.25×0.4×12.5 2.73×99+2.73
【答案】0.418;26.1;43.75;273
【解析】
(1)2.6×1.08﹣2.39
=2.808﹣2.39
=0.418
(2)(16.58+1.69)÷0.7
=18.27÷0.7
=26.1
(3)35×0.25×0.4×12.5
=(35×12.5)×(0.25×0.4)
=437.5×0.1
=43.75
(4)2.73×99+2.73
=2.73×(99+1)
=2.73×100
=273
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