未知题型
已知a-6=46,a÷6÷c=2,a÷6-c=12,求a+b的值。
正确答案:解:由a÷b÷c=2可得,a÷b-2c,由a÷b-c=12可得,a÷b=12+c,故2c=12+c,则c=12......
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