a+b=420,a÷b=
,a=______,b=______.
人气:259 ℃ 时间:2020-05-20 02:17:07
解答
由a÷b=37,可得:a=37b;代入a+b=420,可得: 37b+b=420 107b=420107b÷107=420÷107 b=294;a=37b=37×294=126.故答案为:126,294....
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