60+2x=185 7x+22=43 16+8x=40 4x-54=14 0.5x-1.2×5=3.8 (x+3)÷2=
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60+2x=185 7x+22=43 16+8x=40 4x-54=14 0.5x-1.2×5=3.8 (x+3)÷2=10.5 6x+4×6=72 5x-16.5×3=25 x+4.8x=29 12.5x-0.9x=52.2 6x+9x-12x=2.37 8x-6=70 12x+48=132 4x+8x=14.4 5.8x-1.6x=12.6 3x+2x×12=42 6(2x-6)=12.6
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60+2x=185 x=62.5
7x+22=43 x=3
16+8x=40 x=3
4x-54=14 x=17
0.5x-1.2×5=3.8 x=19.6
(x+3)÷2=10.5 x=18
6x+4×6=72 x=8
5x-16.5×3=25 x=14.9
x+4.8x=29 x=5
12.5x-0.9x=52.2 x=4.5
6x+9x-12x=2.37 x=0.79
8x-6=70 x=9.5
12x+48=132 x= 7
4x+8x=14.4 x=1.2
5.8x-1.6x=12.6 x=3
3x+2x×12=42 x=9\14
6(2x-6)=12.6 x=4.05
7x+22=43 x=3
16+8x=40 x=3
4x-54=14 x=17
0.5x-1.2×5=3.8 x=19.6
(x+3)÷2=10.5 x=18
6x+4×6=72 x=8
5x-16.5×3=25 x=14.9
x+4.8x=29 x=5
12.5x-0.9x=52.2 x=4.5
6x+9x-12x=2.37 x=0.79
8x-6=70 x=9.5
12x+48=132 x= 7
4x+8x=14.4 x=1.2
5.8x-1.6x=12.6 x=3
3x+2x×12=42 x=9\14
6(2x-6)=12.6 x=4.05
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
60+2x=185 7x+22=43 16+8x=40 4x-54=14 0.5x-1.2×5=3.8 (x+3)÷2=
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1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
2x+3x+4x+5x+x+6x+7x=100
已知 X=4- 根号3 求 (X*X*X*X-6X*X*X-2X*X+18X+23) / (X*X-8X+15)的值
y=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10)的导数在x=1
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值
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