(60+12)/X=(60-12)/(X-4)
60+x=4x(12+x)怎么解
2x-12x-4+3=9-9x解方程4x-60=10x-60
解方程.60-X=34.5+4X 5.6X+4X=17.28 12(X-2)=3.6
x/(x/12+x/15)*(x/12-x/15)=60
60-x=x-12怎么解?
方程9X-12=60+7X的解是?A.X==4 B.X=12 C.X=24 D.X=36
解方程:60-x=34.5+4x和5.6x+4x=17.28和12(x-2)=3.6和3x-1.2=3.6
(60+12)/X=(60-12)/(X-4)
x/12+20/60=(x-4)/9怎么解
(60+X)÷(12+X)=4怎么解?
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
30X-2X=84 5.8X-X=60 6.6X-5X=8 4X-X=24 1.5X-X=1