问题
解答题
脱式计算,能简算的要简算.
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答案
(1)1.08×0.8÷0.27
=1.08÷0.27×0.8,
=4×0.8,
=3.2;
(2)2.6×1.7+1.4×1.7
=(2.6+1.4)×1.7,
=4×1.7,
=6.8;
(3)0.4×63×2.5
=0.4×2.5×63,
=1×63,
=63.
脱式计算,能简算的要简算.
|
(1)1.08×0.8÷0.27
=1.08÷0.27×0.8,
=4×0.8,
=3.2;
(2)2.6×1.7+1.4×1.7
=(2.6+1.4)×1.7,
=4×1.7,
=6.8;
(3)0.4×63×2.5
=0.4×2.5×63,
=1×63,
=63.