0.4y+09/0.5-y-5/2=0.3+0.2y/0.3(解方程)
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0.4y+09/0.5-y-5/2=0.3+0.2y/0.3(解方程)0.4y+09/0.5-y-5/2=0.3+0.2y/0.3(解方程)0.4y+09/0.5-y-5/2=0.3+0.2y/0.3
0.4y+09/0.5-y-5/2=0.3+0.2y/0.3(解方程)
0.4y+09/0.5-y-5/2=0.3+0.2y/0.3(解方程)
0.4y+09/0.5-y-5/2=0.3+0.2y/0.3(解方程)
0.6y-2y/3=2.8-9/5
9y-10y=42-13
y=-29
你要怎样清楚?
不好意思,你写的有点不太清楚,注意写清楚了,别人会迷糊的
0.4y+09/0.5-y-5/2=0.3+0.2y/0.3(解方程)
··0.4y+0.9/0.5-y-5/2=0.3+0.2y/0.3求y
·0.4y+0.9/0.5-y-5/2=0.3+0.2y/0.3求y
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
解方程组:①4x+3y-5=0,x-2y-4=0.②5x-2=2(y-1),2(x-2)+(y-1)③0.2x+0.5y=0.2,0.4x+0.1y=0.4④3x-13y=-12,x+3y=2
已知x^2+y^2-2x+4y+5=0.求{(x^4-y^4)/[(x+y)(2x-y)]}*{[(2x-y)/(xy-y^2)]}/{[x^2+y^2]/y}^2
x-y=2 那么-2x-2y=多少[(2x=y)的平方-(2x+y)(2x-y)-y(5x+y)]/(0.5y),其中x-y=2
解方程:1/3(3y- 10-7y/2)-1/2(2y-2y+2/3)=y/2-1 0.4y+0.9/0.5-0.03+0.02y/0.03=y-5/2注意:这是一题1/3(3y- 10-7y/2)-1/2(2y-2y+2/3)=y/2-1 这是一题:0.4y+0.9/0.5-0.03+0.02y/0.03=y-5/2 请在注意:10-7y/2这是一个分数;2y+2/3这是
(-y+5+4y^2)-(-y^2+5y-4),其中y=-2
2y+5/3y-6-y/2=5y-4/2y-4
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
解方程:3y²-(2y+1)(y-2)=(y-5)(y+1)
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
先化简,在求值:6y-(y+2分之y + 2-y分之y)除以y³-4y-2y²+8分之y,其中y= -2分之5先化简,在求值:6y-(y+2分之y + 2-y分之y)除以y³-4y-2y²+8分之y,其中y= -2分之5
maths(right,very esay①(1-y)/2=2-[(2y-1)/3]②21%x-5%=5%x+0.11③(2y-1)/3-(10y+1)/6=(2y+1)/4-1④1/3[3y-(10-7y)/2)]-1/2[2y-9(2y+2)/3)]=y/2-1⑤(0.4y+0.9)/0.5-(0.03+0.02y)/0.03=(y-5)/2