5000-15(100+80)=10x+1150,
(X/80+X/100 +5)*40=X,
数学题(100分)!解方程:20+10%X=80 2X+30%X=9.2 15+10%X=18某机床厂二月份计划生产20
解方程(100—80)*(120/80-X)=100*10%X+80X
(X+X)+(X-X)+(X*X)+(X/X)=100
解方程:80%(x+6)x15-15x=(x+6+2.4)x10-10x
X/15 + X/12 + X/10 = 1365,求X,
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
4x-3(x-5)=2x+(x-1) (3x+29)除以8=4x 7(x+10)=5(4x-10) 5分之2(x-15)
解方程 20+10%x=80 2X+30%X=9.2 X-15%X=37.4 15+10%X=18
20+10%x=80 2x+30%x=9.2 x-15%x=37.4 15+10%x=18
帮我解几道方程、、8x-4(10-x)=44 60x+(100-x)*65=100*63 30x-20(180-x)=5
1.(X+4)*(x+6)=18 2.24y+4x+6=100 { 40y+10x+8=80 我是菜鸟