2.8-1.3x=0.2
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2.8-1.3x=0.2
2.8-1.3x=0.2
x-0.25x=2.8+0.2解放程1.26-2x=0.74 1.3x+1.5x=0.14 x÷8=0.06
7x+2x=0.81 4(x-6)=36 2x+0.2xX2=36 3.4x-6=4.2 7.8x+5=44 7.5x+2.5=20 25.8-2x=12-7 4x+2.8=5.040.9x-4X1.3=1.1 1.3x7=25.1-8x 4.8+0.5x=6.3 (25+2x)X4=340大写的X是乘 小写的是x 求x是几
解方程1.5x=0.14-1.3x x-0.2=0.25x+2.8 3x+0.4=0.04解方程1.5x=0.14-1.3xx-0.2=0.25x+2.83x+0.4=0.04+7x
x-30-0.2x=0.5x
x-0.2x=80 求x
x-0.5x=1.3
(X-8)/X=0.2(X-8)/X=0.2
X÷8+6=25 X÷0.2-2.8=3.2 9X(x+1.8)=10.8 0.7(X-0.3)=1.1 X=多少?
X-X×0.2=1.18
x-0.2.x=180
x-0.2x=36
x=120+(x ×0.2)
(x-1)+(x+2)+0.2x+2x=46
快进来!1.x+4/0.2-x-3/0.5=-1.3 2.2x-1/2-2x+5/3=10x-17/4+1 3.0.3-30x/0.1.x+4/0.2-x-3/0.5=-1.32.2x-1/2-2x+5/3=10x-17/4+13.0.3-30x/0.3-6.5=3(5-2x)/0.05=-11/24.x=1+x/2+x/4+x/8+x/16
X-0.25X=2.8+0.2解方程
X-20%X=(44-X)怎么解X-20%X=(44-X)+2.8
0.2x+0.4x=12 x=?20x+x=420 x=?