问题 解答题
简便计算:
125×25×32
37×29+3776×101
136×42-42×3672×36+36×28.
答案

(1)125×25×32,

=125×25×4×8,

=(125×8)×(25×4),

=1000×100,

=100000;

(2)37×29+37,

=37×(29+1),

=37×30,

=1110;

(3)76×101,

=76×(100+1),

=7600+76,

=7676;

(4)136×42-42×36,

=(136-36)×42,

=100×42,

=4200;

(5)72×36+36×28,

=(72+28)×36,

=100×36,

=3600.

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