5÷(x+16.84)=0.2
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5÷(x+16.84)=0.25÷(x+16.84)=0.25÷(x+16.84)=0.2
5÷(x+16.84)=0.2
5÷(x+16.84)=0.2
5÷(x+16.84)=0.2
5÷(x+16.84)=0.2
解方程:8x -4.5÷0.2=16 3(x+30)=6x+30 3-(5-2x)=x+273x-(67-84x)-14=76 15-(7-5X)=2X(11-3X) X+(X+10)+(x+8)=36×3 11×(4-x)+15×(4-X)=30
5x—4.9x=0.31 3.4÷x=4.8÷24 8—3(x+0.2)=0.8
解方程.2.5x=14 3.4x-48=26.8 42x+25x=134 x-7.9=2.6 x解方程.2.5x=143.4x-48=26.842x+25x=134x-7.9=2.6x÷3=1.22x-97=34.213(x+5)=169
若A÷(x-5)+B÷(x+2)=(5x-4)÷(x×x-3x-10)求A,B的值.
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
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
1.(x^3-x^2-4x+1)/(x^2-3x+2)-(x^3-2x^2-9x+21)/(x^2-5x+6)+(x^2-3x+8)/(x^2-4x+3)2.{(x^2)/(x-y)}*{y/(x+y)}-{(x^4y)/(x^4-y^4)}÷{(x^2/x^2+y^2)^2}
5/(x+16.84)=0.2
(2/3x-2/x+y(x+y/3x-x-y))÷x-y/x,其中5x+3y=0
5x²-3x-5=0 则 5x²-2x-[1÷(5x²-2x-5)]15x²-3x-5=0 则 5x²-2x- -----------=?5x²-2x-5
(-x的平方+2x+15)÷(5-x)
x+x÷5+(x+35)=112
3x(x+2)=5(x+2)))
X(X+1)-5X=0
6x+3=7x(x+5)腹股沟
哪个x的值是方程的解?x÷6=0.3 (x=20,x=1.8) 43+x=60 (x=19x=105)接着上面的 9x-5x=16 (x=64 x=4) 3.8x-x=5.6 (x=2 x=2.8)