问题
解答题
计算下面各题,能简算的要简算
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答案
(1)48÷(4+8),
=48÷12,
=4;
(2)25×(4×40),
=25×4×40,
=100×40,
=4000;
(3)47×16+63×16,
=(47+63)×16,
=110×16,
=1760;
(4)201×42-42,
=(201-1)×42,
=200×42,
=8400;
(5)400÷25×4,
=16×4,
=64;
(6)125×32,
=125×8×4,
=1000×4,
=4000.