被除数、除数、商、余数相加的和是77,商是9,余数是4,除数是多少?
人气:401 ℃ 时间:2019-10-27 02:43:25
解答
设除数为x,那么被除数为:9x+4,(9x+4)+x+4+9=77, 10x+17=77, 10x=60, &nb...
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