简便算法250×60630÷35÷2125×16800÷3225×36810÷5422×6×555×14.-数学

题目简介

简便算法250×60630÷35÷2125×16800÷3225×36810÷5422×6×555×14.-数学

题目详情

简便算法
250×60

630÷35÷2

125×16

800÷32
25×36810÷5422×6×555×14.
题型:解答题难度:中档来源:不详

答案

(1)250×60,
=(250×4)×(60÷4),
=1000×15,
=15000;

(2)630÷35÷2,
=630÷(35×2),
=630÷70,
=9;

(3)125×16,
=125×8×2,
=1000×2,
=2000;

(4)800÷32,
=(800÷8)÷(32÷8),
=100÷4,
=25;

(5)25×36,
=25×4×9,
=100×9,
=900;

(6)810÷54,
=(810÷9)÷(54÷9),
=90÷6,
=15;

(7)22×6×5,
=22×5×6,
=110×6,
=660;

(8)55×14,
=55×2×7,
=110×7,
=770.

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