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数学
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18又3/4+(-2.75)+(2.125)+(+12又5/7)+(-4又1/8)
人气:427 ℃ 时间:2020-01-28 10:06:37
解答
18又3/4+(-2.75)+(2.125)+(+12又5/7)+(-4又1/8)
=18.75-2.75+2.125-4.125+12又5/7
=16-2+12又5/7
=26又5/7
推荐
18又4分之3+(-2.75)+(2.125)+(12又7分之5)+(负4又8分之1)结果等于多少
(18又(3/4)+(-2.75)+(2.125)+(+12又5/7)+(-4又1/8)
1.18又3/4+(-2.75)+6.125+(-2又5/7)+(-5又1/8)=?
(- 2又4分之3 )+( + 12又7分之5 )+(+ 0.75)+(+ 8分之1 )+(- 4.125 )
简便:(1)18÷0.75×0.75 (2)12.5×0.7×0.8 (3)0.25×4.35-0.25×0.35 = = = = = = = = =
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