0.5X+0.17×6=3.9
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0.5X+0.17×6=3.90.5X+0.17×6=3.90.5X+0.17×6=3.90.5X+0.17×6=3.90.5X+1.02=3.90.5X=2.88x=5.76
0.5X+0.17×6=3.9
0.5X+0.17×6=3.9
0.5X+0.17×6=3.9
0.5X+0.17×6=3.9
0.5X+1.02=3.9
0.5X=2.88
x=5.76
0.5X+0.17×6=3.9
8x-5.5x=7.57.2x÷3.6=2 3x+6x-8x=0.7 12x-2x-5x=4.512x-x=0 5x+x=1.8 3.2x+1.8x=64.8x-0.8x=6 6.3-0.3x=9.6 8.6x-8.5x=0.720x-2x=36 9x+6x=4.5 18x-12x=5.42x-1.6x=3.6 18x+3x=7×6 1.2x-0.5x=0.71.3x+2.7x=1 4x-3.2x=6.4 0.8x+3.2x+3x=562.8x-2x=7.2
(X+5)/(X+4) +(X+8)/(X+7 )=(X+7)/(X+6 )+(X+6)/(X+5 )
4(x-3)=2x 8x+0.5=4x+4.5 4x+20=6x-10 解方程
求x的值 2.5:x=7.5:0.5 x= 2.4x+28.8=48 x= x-3分之2x=1.8 x= (1+5分之3)x=5分之2 x=x-3=3分之2 x= 15分之6:x=2:3 x= x:20分之7=4:x= x:0.6=4.5:2 x=急,
(x+2)(x-1)+(x+3)(x+1)=x·x-1 求x (5x-4)(2x+5)(3x-6)(2x-4)=(2x-4)(2x+5)·0.5 求x
6X-(360X-0.5X)=2×(360X-0.5X)
6X-(360X-0.5X)=2×(360X-0.5X)怎么算?
6x+15=87 8X-0.5x=15 x+0.6x=11.2
解方程 x(2x-5)-x(x+2)=x²-6
x²+x=5x+6
32+x=58 x-4.2=0.79 4x=44 x÷18=29 6x=30 15÷x=0.532+x=58 x-4.2=0.79 4x=44 x÷18=29 6x=30 15÷x=0.5
0.5x=4/5(6+x)x=?
x=0.5,6x+x^2怎么算
12x+6x=12.6 x=几
8(x-0.5)=6(x+0.5)
8(x-0.5)=6(x+0.5)
x+0.5x=6 怎么算?