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数学
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12.5*(8+0.4)+25 巧算
人气:425 ℃ 时间:2020-04-08 21:34:23
解答
12.5*(8+0.4)+25
=12.5x8+12.5x0.4+25
=100+5+25
=130
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12.5×4-0.8×0.25 求巧算
20000÷12.5÷25÷0.8÷4等于多少(简算,要列出过程)
简便运算(巧算) 12.5×80.8 0.98×4.5 9.9×9.9+0.99 150÷1.25
(12.5+1.25)*0.8用简便方法计算怎么做
简便计算:1.25*12.5*0.8
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