(3y+12)/4=2-(5y-7)/3
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2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
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数学题=y(y+3)-4(y+3)2=(y+3)(y-4y-12)
5(y-2)-7(y+3)=11(y+4)
(2y-3)(-y+4)=(y-2)(y-5)-3y(y-7/3)解方程
4(2y+5)-3y=7(y-5)+4(2y+1)
10y+2(7y-2)=5(4y+3)+3y怎么算
3-5-2y/5=y-4-7y/10+y+2/2
10y-2(7y-2)=5(4y+5)-3y
4(5—2y)+7(y+1)=3(4y-1)+17求y
4*(5—2y)+7(y+1)=3(4y-1)+17求y
(3y+12)/4=2-(5y-7)/3
(3y+12)/4=2-(5y-7)/2
(y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3
2y+5/3y-6-y/2=5y-4/2y-4
(y+4)/3+(y-1)/7=2-(5y-5)/12求解
(y^2)^4y-(-2y)^3y^6=
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值