有一个数，把它加上37，再乘以18，减去323，得到的结果用23去除，商是16，余数是11．这个数原来是多少？
人气：139 ℃ 时间：2019-10-17 06:19:55
解答
设这个数为x，得[（x+37）×18-323]÷23-11=16[18x+666-323]÷23-11=16 18x+343=16×23+11 &n...
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