问题
解答题
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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.