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数学
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37又5/8-6.5-4又 1/4-21.625=?
三十七又8分之5减6.5减4又4分之1减21.625等于多少
人气:438 ℃ 时间:2020-05-31 18:17:40
解答
5.25
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37又84分之5-6.5-4又4分之1-21.625 (简便方法)
巧算:2.2*0.4*1.25*2.6 1.625+2.625+3.625+…+80.625 5.5*6.6+6.6*7.7+7.7*8.8+8.8*9.9
0.625*6.8+8分之5*4.2-8分之5
1*2*3*4*5*6*7*8*9.*625 末尾有几个零?
8\1,0.25,37.5%,( ) ,0.625,57%,( ) ,1按规律填数
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