1.81X-342=76(X-2) 2.8*(X-3.6=4*(X+4.8) 3.0.75X=(10+X)*6
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1.81X-342=76(X-2)2.8*(X-3.6=4*(X+4.8)3.0.75X=(10+X)*61.81X-342=76(X-2)2.8*(X-3.6=4*(X+4.8)3.0.75X=(1
1.81X-342=76(X-2) 2.8*(X-3.6=4*(X+4.8) 3.0.75X=(10+X)*6
1.81X-342=76(X-2) 2.8*(X-3.6=4*(X+4.8) 3.0.75X=(10+X)*6
1.81X-342=76(X-2) 2.8*(X-3.6=4*(X+4.8) 3.0.75X=(10+X)*6
1、81x-76x=342-152
5x=190
x=38
2、8x-28.8=4x+19.2
4x=28.8+19.2
x=12
3、0.75x=60+6x
-5.25x=60
x=-80/7
81x-342=76(x-2) 0.3x+7x-0.25x=21.15
1.81X-342=76(X-2) 2.8*(X-3.6=4*(X+4.8) 3.0.75X=(10+X)*6
81x-342=76X(x-2)
81X-342=76(x-2),
81x-342=76(x-2)
f(x)=x^2+x (x
先化简再求值:2x²-4x/x+2·x²+2x/x²-4x+4+4x/2-x,其中x=1/2.
x^2=x
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
x/x-2+x-9/x-7=x+1/x-1+x-8/x-6,
81x-342=76(x-2)解方程
81x-342=76(x-2)怎么解
81X-342=76(X-2 )
81x-342=76(x-2)怎么解,
81x-342=76(x-2)求解
1.(x-y)(x+y)+(x-y)+(x+y)2.x(x+2)-(x+1)(x-1),其中x=-二分之一请写清步骤,结果.
(2x-1)(x-2)-(x-2)^2-(x+2)^2,其中x=-3/2.
2x/x^2-4+3/x+2=-1/x-2.x=?