简便运算56×99+56187-35-6532×25×1252×42×575×36+64×75540÷1898×632400÷25÷4

简便运算56×99+56187-35-6532×25×1252×42×575×36+64×75540÷1898×632400÷25÷4.

(1)56×99+56
=56×(99+1)
=56×100
=5600;

(2)187-35-65
=187-(35+65)
=187-100
=87;

(3)32×25×125
=(8×4)×25×125
=(8×125)×(25×4)
=1000×100
=100000;

(4)2×42×5
=(2×5)×42
=10×42
=420;

(5)75×36+64×75
=75×(36+64)
=75×100
=7500;

(6)540÷18
=540÷(9×2)
=540÷9÷2
=60÷2
=30;

(7)98×63
=(100-2)×63
=100×63-2×63
=6300-126
=6174;

(8)2400÷25÷4
=2400÷(25×4)
=2400÷100
=24.
温馨提示:答案为网友推荐,仅供参考
相似回答