题目内容
【题目】计算下面各题,能简算的要简算.
(1)0.25×0.39×4
(2)56.55÷6.5+26×0.37
(3)13.6×3﹣40.6÷2
【答案】(1)解:0.25×0.39×4 =0.25×4×0.39
=1×0.39
=0.39;
(2)解:56.55÷6.5+26×0.37 =8.7+9.62
=18.32;
(3)解:13.6×3﹣40.6÷2 =40.8﹣20.3
=20.5.
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题目内容
【题目】计算下面各题,能简算的要简算.
(1)0.25×0.39×4
(2)56.55÷6.5+26×0.37
(3)13.6×3﹣40.6÷2
【答案】(1)解:0.25×0.39×4 =0.25×4×0.39
=1×0.39
=0.39;
(2)解:56.55÷6.5+26×0.37 =8.7+9.62
=18.32;
(3)解:13.6×3﹣40.6÷2 =40.8﹣20.3
=20.5.