多项式:6mx的平方+4nxy+2x+2xy-x的平方+y+4不含二次项,求6m-2n+2的值.
多项式:6mx的平方+4nxy+2x+2xy-x的平方+y+4不含二次项,求6m-2n+2的值.
数学人气:331 ℃时间:2020-02-01 06:34:53
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多项式:6mx的平方+4nxy+2x+2xy-x的平方+y+4不含二次项 则:6m-1=0 4n+2=0 所以:m=1/6 m=-1/2 6m-2n+2=1+1+2=4
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