> 数学 >
就是简便计算
1200×96÷24
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5000-666÷37×34
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4000-〖(200-116÷29)×12〗
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注意是简便哦
带括号的话要变号哦
人气:136 ℃ 时间:2020-05-08 17:49:14
解答
1200×96÷24
=1200×4×24÷24
=1200×4
=300
5000-666÷37×34
=5000-6×111÷37×34
=5000-6×3×34
=5000-6×102
=5000-612
=4388
4000-[(200-116÷29)×12]
=4000-[(200-4×29÷29)×12]
=4000-[(200-4)×12]
=4000-[2400-48]
=4000-2400+48
=1600+48
=1648
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