解方程. 8x-3x=105 13.2x+9x=33.3 2x+1.5x=17.5 x-0.36x=16 6.2x-x=
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解方程.
8x-3x=105 | 13.2x+9x=33.3 | 2x+1.5x=17.5 |
x-0.36x=16 | 6.2x-x=41.6 | 32.8+9x=118.3. |
8x-3x=105
5x=105
5x÷5=105÷5
x=21;
13.2x+9x=33.3
22.2x=33.3
22.2x÷22.2=33.3÷22.2
x=1.5;
2x+1.5x=17.5
3.5x=17.5
3.5x÷3.5=17.5÷3.5
x=5;
x-0.36x=16
0.64x=16
0.64x÷0.64=16÷0.64
x=25;
6.2x-x=41.6
5.2x=41.6
5.2x÷5.2=41.6÷5.2
x=8;
32.8+9x=118.3
32.8+9x-32.8=118.3-32.8
9x÷9=85.5÷9
x=9.5.
5x=105
5x÷5=105÷5
x=21;
13.2x+9x=33.3
22.2x=33.3
22.2x÷22.2=33.3÷22.2
x=1.5;
2x+1.5x=17.5
3.5x=17.5
3.5x÷3.5=17.5÷3.5
x=5;
x-0.36x=16
0.64x=16
0.64x÷0.64=16÷0.64
x=25;
6.2x-x=41.6
5.2x=41.6
5.2x÷5.2=41.6÷5.2
x=8;
32.8+9x=118.3
32.8+9x-32.8=118.3-32.8
9x÷9=85.5÷9
x=9.5.
解方程. 8x-3x=105 13.2x+9x=33.3 2x+1.5x=17.5 x-0.36x=16 6.2x-x=
解方程:8x-3x=105 x-0.36x=16 13.2x+9x=33.3 2x+1.5x=17.5 2x+1.5x=
要解方程13.2x+9x=33.3 8x-3x=105 5.4x+x=12.8 x-0.36x=16
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
帮我解下列方程:13.2x+9x=33.3 8x-3x=105 5.4x+3x=12.8 x-0.36x=16
5.解下列方程:13.2x+9x=33.3 8x-3x=105 5.4x+x=12.8 x-0.36x=16
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程:2x+1.5x=17.5 8x-3x=105 3x+x+6=26
(X+X)+(X-X)+(X*X)+(X/X)=100
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1