6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
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6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X49+0.009X*0.5=18+0.04X*0.56*80%*(X+24)*110%=(6+0.6)*(80%+5%)X49+0
6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
第一道题目:
6*0.8*1.1*(x+24)=6.6*0.85x
6.6*0.8(x+24)=6.6*0.85x
0.8(x+24)=0.85x
0.8x+19.2=0.85x
0.05x=19.2
x=384
48-8x-x(6-x)=24
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
5(x-6)=x+24
6*80%*(X+24)*110%=(6+0.6)*(80%+5%)X 49+0.009X*0.5=18+0.04X*0.5
解方程:X/4+8=2008 40%X-1.6=12 24:2/3=X:0.5X/4+8=200840%X-1.6=1224:2/3=X:0.54X-12=6X除3+0.6=3(x-1.5)乘4=263x+4+x=80x/3-x/6=2.460+3x-x=801.5x+36=x+45
80X-90X=6x+80X 解是几
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
x²+6x+ =(x+ )² x²-x+ =(x- )²
3/x-1=4/x 6/x+1=x+5/x(x+1)
1/(x+2)(x+4)+1/(x+a)(x+6)+1/(x+6)(x+8)=2/(3x+24) 解方程
解方程:3X+8=5X-6X (3X+2)-X=218 80+X=3(52-X)
80到 解方程不是应用题 3X+5X=48 14X-8X=12 6*5+2X=44 20X-50=50 28+6X=88 32-22X=10 24-3X=3 10X*(5+1)=60 99X=100-X X+3=18 X-6=12 56-2X=20 4y+2=6 x+32=76 3x+6=18 16+8x=40 2x-8=8 4x-3*9=29 8x-3x=105 x-6*5=42 x+5=7 2x+3=10 12x-9x=9 6x+18=48 56x
(2x•x+x•x+2x•x)•2+x•x•6+2x•x•4=600
解方程:(8x+24)/(x^2+6x+9)+x^2/(x^2-9)=(x^2-9)/(x^2-6x+9) 1/(x-7)+1/(x-4)=1/(x-5)+1/(x-6)a为何值时,方程x/(x-3)=2+a/(x-3)会产生增根?(1) (8x+24)/(x^2+6x+9)+x^2/(x^2-9)=(x^2-9)/(x^2-6x+9)(2) 1/(x-7)+1/(x-4)=1/(x-5)+1/(x-6)(3
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-
1.(1/X-1 )-2=X^-3X/X^-12.(X/X+1)^+5(X/X+1)+6=03.(8(X^+2X)/X^-1)+ 3(X^-1)/X^+2x
2x-6/4-4x+x^2/(x+2)*x^2-4/3-x,其中x=-1
(x-2)(x²-6x-9)-x(x²-2x-15),其中x=1/3