问题 解答题
用简便方法计算,写出必要的计算过程.
0.67×125×8 0.56×1.9+2.44×1.9.
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.

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