X ÷0.25+1.2X=0.8×1.3
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X ÷0.25+1.2X=0.8×1.3
X ÷0.25+1.2X=0.8×1.3
X ÷0.25+1.2X=0.8×1.3
X ÷0.25+1.2X=0.8×1.3
4x+1.2x=0.8×1.3
5.2x=0.8×1.3
4×1.3x=0.8×1.3
4x=0.8
x=0.2
X ÷0.25+1.2X=0.8×1.3
解方程 3分之1x+4分之1x=3分之2 x-0.75x-0.25=1 0.8x-14.7=1.3 1.2÷4分之x=5 3.6x+5.3=16.1
x+x=() x*x=() x-0.8x=() 1.2*2y=()
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+0.8X=?
x+x=( ) x*x=( ) x-0.8=( ) 1.2*2y=( )
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
(x+x)+(x-x)+(x*x)+(x÷x)=81
x-1/0.25-x/12.5=1.2 x等于多少?
0.8x+3=1.2x+0.2怎么求x
50×0.8+(x-50)×1.2=x x等于
x÷0.8=6×1.6 45÷x=2.5×2 3.6x-x=1.3×4x÷0.8=6×1.6 45÷x=2.5×2 3.6x-x=1.3×4
解方程.0.8+x=1.2 2.5x=10 x+0.9x=57 10x-6x解方程.0.8+x=1.2 2.5x=10x+0.9x=57 10x-6x=128
0.2x=0.25x-0.8
0.8X-0.5*1.2X=10
1.2x-0.8x=4.
1.2x减0.8x=4.
0.8x+1.2(90-x)=88