问题 解答题
简便计算.
576+38+162+124125×5699×87+8796×27+27×4.
答案

(1)576+38+162+124,

=(576+124)+(38+162),

=700+200,

=900;

(2)125×56,

=125×8×7,

=1000×7,

=7000;

(3)99×87+87,

=(99+1)×87,

=100×87,

=8700;

(4)96×27+27×4,

=(96+4)×27,

=100×27,

=2700.

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问答题 简答题