问题
解答题
用简便方法计算,写出必要的计算过程.
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答案
(1)0.67×125×8,
=0.67×(125×8),
=0.67×1000,
=670;
(2)0.56×1.9+2.44×1.9,
=(0.56+2.44)×1.9,
=3×1.9,
=5.7.
用简便方法计算,写出必要的计算过程.
|
(1)0.67×125×8,
=0.67×(125×8),
=0.67×1000,
=670;
(2)0.56×1.9+2.44×1.9,
=(0.56+2.44)×1.9,
=3×1.9,
=5.7.