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简便运算56×99+56187-35-6532×25×1252×42×575×36+64×75540÷1898×632400÷25÷4.
题目详情
简便运算
56×99+56 187-35-65 32×25×125 2×42×5 56×99+56 187-35-65 32×25×125 2×42×5 75×36+64×75 540÷18 98×63 2400÷25÷4. 75×36+64×75 540÷18 98×63 2400÷25÷4.
56×99+56 | 187-35-65 | 32×25×125 | 2×42×5 |
75×36+64×75 | 540÷18 | 98×63 | 2400÷25÷4. |
56×99+56 | 187-35-65 | 32×25×125 | 2×42×5 |
75×36+64×75 | 540÷18 | 98×63 | 2400÷25÷4. |
▼优质解答
答案和解析
(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.
=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.
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