0.492/((50+6.8x)/(90+15.3x))=0.492如何解x
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0.492/((50+6.8x)/(90+15.3x))=0.492如何解x
0.492/((50+6.8x)/(90+15.3x))=0.492如何解x
0.492/((50+6.8x)/(90+15.3x))=0.492如何解x
0.492/【(50+6.8x)/(90+15.3x)】=0.492
(50+6.8x)/(90+15.3x)=1
50+6.8x=90+15.3x
8.5x=-40
x=-80/17
0.492/((50+6.8x)/(90+15.3x))=0.492如何解x
(50+6.8x)/(90+15.3x)=0.492如何解x
90-x=50+x
90/(x-90)=(2x-50)/(x+50)
六题解方程:x+75%x=140 x-40%x=96 x-76%x=36 4x+50%x=90 60%x-30=120 x+50%x=45
90%(x+35%x)-50=x+20%x怎么解?
4X+8.60x2=30 4X-X=39 7X+90x7=1463 3X-2+X=50 X=多少 (是小题,格式,
x+ x+(x*50%)=1.5X?
求几道解方程数学题60%x+25=40 x+30%x=52 19-120%x=7 x-10%x=18 (1-25%)x=362x+30%x=9.260%x+90=102 x-20%=5.2 50%x+3x=28 9.1-14%x=0.7
求解下面的一些方程,好的我加50财富啊(170-x)*1/3-1/4x=102/3x+(135-x)*4/5=983x+2(100-x)=3004x-3(20-x)=6x-7(11-x)23-x/x+19=1/5x+180/90=x-180/60
(90-x)除以(90-x+100)=50%
(1+50%)x*90%-x-50=370怎么算
x*(1+50%)*90%-50-x=370帮下忙
90%X-17%X=14.6 5分之1X+2.4=6.8
4x+50%x=90解方程
x/50-x/90=2.5 怎么解方程?
(90-30x)^2+(20x)^2=50^2
x/90+2.5=x/50 怎么解