90(x-0.5)=60(x+0.5)怎么解
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90(x-0.5)=60(x+0.5)怎么解90(x-0.5)=60(x+0.5)怎么解90(x-0.5)=60(x+0.5)怎么解
90(x-0.5)=60(x+0.5)怎么解
90(x-0.5)=60(x+0.5)怎么解
90(x-0.5)=60(x+0.5)怎么解
0.3x+0.5(10-x)=
90(x-0.5)=60(x+0.5)怎么解
6.8+12÷x=10.8,14-0.5(x+3)=7.8,3.5x-3x-10=8,7.9-5x=7.8÷210x-20=6x,10+6x=8x,2(x+54)=8x,25-2x=5+2x
x+60%x=80 80%-30x=305 35%x=210 x+50%x=60 x-40%x=0x+60%x=8080%-30x=30535%x=210x+50%x=60x-40%x=0.36(1-80%)x=21么么哒!
(x-2)+(x+2)+0.5x+2x等于多少个x?(x-2)+(x+2)+0.5x+2x等于多少x?要清楚!
先化简再求值先化简再求值:(x-x/x+1)(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5
6X-(360X-0.5X)=2×(360X-0.5X)
6X-(360X-0.5X)=2×(360X-0.5X)怎么算?
12=( )X( )X( ) 60=( )X( )x( )X( )
150.5x -4x +0.5x =7
解方程 4x-5×6=12 8x-3x=15.630×(x÷4)=60 7.2×0.5-3x=1.2 1.5x+x=12.5 5x+21×3=2x
x(x-3)=3x-9
解(X+2.3+X+0.3)*X*0.5=1.4
90%x*(x+2)=x²
300字读后感 2篇 俄把格式说一下吧:《xxxx》(写题目)主要内容:x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x(写那篇文章的主要内容)思考分析:x x x
4(x-3)=2x 8x+0.5=4x+4.5 4x+20=6x-10 解方程
x/(120-x)=x/60
0.5X*(14-X)=24