2/5(y-3)=1/3y-3/5(y-7)
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2/5(y-3)=1/3y-3/5(y-7)
2/5(y-3)=1/3y-3/5(y-7)
2/5(y-3)=1/3y-3/5(y-7)
2/5(y-3)=1/3y-3/5(y-7) 去分母,方程两边同时乘15
6(y-3)=5y-9(y-7) 去括号
6y-18=5y-9y+63 移项
6y-5y+9y=63+18 合并
10y=81 系数化1
y=81/10
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
解方程:3y²-(2y+1)(y-2)=(y-5)(y+1)
y-(y-1)/2=1-(2y-3)/5
y-y-1/2=3-y+2/5
y-1/y-2 - y-3/y-4=y-2/y-3 - y-4/y-5一共有四个分数哦~希望可以快一点~谢谢!
5y∧2-(y-2)(3y+1)-2(y+1)(y-5)
2y+5/3y-6-y/2=5y-4/2y-4
解3y+5/3y-6=1/2+5y-4/2y-4
4(2y+5)-3y=7(y-5)+4(2y+1)
(x-y)/(x+y)=3求( 3x-2y-1)/(x+y-5)
(3y-1)(2y-3)+(6y-5)(y-4)=?xie
(3y-1)(2y-3)+(6y+5)(y-4)=?
方程5y(2y-3)=(y+2)(y-2)-1