一道小学数学应用题,求解,要过程.谢谢!
小李做算术,原想把某数乘3用2除,因其粗心,误写成乘2用3除,使得数为42.问：某数是多少?
人气：370 ℃ 时间：2020-02-02 19:52:37
解答
42x3=126
126÷2=63
答：某数是63.
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