2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-3)/2=7.5怎么解
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2(x-2.6)=85(x+1.5)=17.58(x-6.2)=41.6(x-2(x-2.6)=85(x+1.5)=17.58(x-6.2)=41.6(x-3)/2=7.5怎么解2(x-2.6)=85
2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-3)/2=7.5怎么解
2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-
2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-3)/2=7.5怎么解
2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-3)/2=7.5怎么解
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
4x+1.2×5=24.4 x-0.7x=2.1 8x+5x=2.6 (4x+5)÷2=4x+1.2×5=24.4 x-0.7x=2.18x+5x=2.6 (4x+5)÷2=17.52x-16=24
解方程:x-19分之5x-96+x-9分之x-8=x-6分之4x-19+x-8分之2x-21解方程:(x-19)分之(5x-96)+(x-9)分之(x-8)=(x-6)分之(4x-19)+(x-8)分之(2x-21)
3x(x+2)=5(x+2)))
2(x+3)=5x
已知f(x-1)=x²+4x-5则f(x)的表达式是() A x²+6x B x²+8x+7已知f(x-1)=x²+4x-5则f(x)的表达式是()A x²+6xB x²+8x+7C x²+2x-3D x²++6x-10
解方程 5(x-7)=26.5 4(x+8.2)=40.8 (x-0.52)÷4=1.12 1.5解方程5(x-7)=26.54(x+8.2)=40.8(x-0.52)÷4=1.121.5(x-8)=604x+2x=5.4x-0.52x=12全部
x+(x+1)+(x+2)=48x+(x-1)+(x-2)=487×(43-x)+5x+15=10×(43-x)+(x+3)×7(x-3.6)÷4=(x+4.8)÷8(x+10)×4=(0.6x+10)×5
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
方程:13X+3=14X+2.4x+3=3x+8 5(x+2)=方程:13X+3=14X+2.4x+3=3x+85(x+2)=2(2x+7)6(2x-7)=5(x+7)
2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-3)/2=7.5怎么解
2(x-2.6)=8 5(x+1.5)=17.5 8(x-6.2)=41.6 (x-3)÷2=7.2(x-2.6)=85(x+1.5)=17.58(x-6.2)=41.6(x-3)÷2=7.5
.X²+13X+36 .X²+5X-20 .X²-2X-15 .8(X²+X)²-8(X²+X)+12
解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x-
5(x-2)=2x-8,解方程
3.5x-2(x+5)=8
3.5X-2(X+5)=8,解方程,
x(2x-4)=5-8