两个数相除,商是3,余数是20,被除数、除数、商与余数的和是243,被除数是多少?除数是多少?

两个数相除,商是3,余数是20,被除数、除数、商与余数的和是243,被除数是多少?除数是多少?
两个数相除,商是3,余数是20,被除数、除数、商与余数的和是243,被除数是多少?除数是多少?

两个数相除,商是3,余数是20,被除数、除数、商与余数的和是243,被除数是多少?除数是多少?
1、被除数÷除数=3……… 20；若减去20,被除数是除数的3倍,除数1份,被除数3份,一共（1＋3）份.
2、被除数＋除数＋3＋20=243
3、被除数与除数的和：243－3－20=220
4、除数：（220－20）÷（1＋3）=50
5、被除数：220－50=170 或 50×3＋20=170

243-20=223 223-3=220 220-20=200 200÷（3+1）=50 50×3=150 150+20=170
被除数是170 除数是50

被除数170，除数50

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243-20-3=220
220-20=200
3+1=4
200/4=50
50*3+20=170