x-x÷5=244 x-13=96-x+13 12x=10(x+20) 3.6x÷2=7.2×2
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x-x÷5=244 x-13=96-x+13 12x=10(x+20) 3.6x÷2=7.2×2
x-x÷5=244
x-13=96-x+13
12x=10(x+20)
3.6x÷2=7.2×2
x÷3-x÷4=5
这些题方程怎么解,
x-x÷5=244
x-13=96-x+13
12x=10(x+20)
3.6x÷2=7.2×2
x÷3-x÷4=5
这些题方程怎么解,
![x-x÷5=244 x-13=96-x+13 12x=10(x+20) 3.6x÷2=7.2×2](/uploads/image/z/18650097-9-7.jpg?t=x-x%C3%B75%EF%BC%9D244+x-13%EF%BC%9D96-x%2B13+12x%EF%BC%9D10%28x%2B20%29+3.6x%C3%B72%3D7.2%C3%972)
X-1/5X=244 =>4/5X=244=>X=244*5/4=305
2X=96+13+13=>2X=122=>X=61
12X=10X+200=>(12-10)X=200=>2X=200=>X=100
10(3.6/2)X=14.4*10=>18X=144=>X=8
12(1/3-1/4)X=5*12=>(4-3)X=60=>X=60
2X=96+13+13=>2X=122=>X=61
12X=10X+200=>(12-10)X=200=>2X=200=>X=100
10(3.6/2)X=14.4*10=>18X=144=>X=8
12(1/3-1/4)X=5*12=>(4-3)X=60=>X=60
(2x^-5x+2/6x^+13x+6)*(6x^-5x-6/6x^-17x+10)*(12x^+8x-15/2x^-x
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550
(x+12)(x-2)+(x+7)(x+8)-(x+5)(x-10),其中x=2
x^5+x^4 = (x^3-x)(x^2+x+1)+x^2+x
|X-1|+|X-2|+|X-3|+|X-4|+|X-5|+|X-6|+|X-7|+|X-8|+|X-9|+|X-10|
((x²-5x+6)/(12-7x+x²))²÷((x²+3x+2)/(x
若x=π/3,|x+1|+|x+3|+...+|x+13|-|x+2|-|x+4|-...-|x+12|
x/(x-1) -1=3/(x-1)(x+2)
x/2+x/8+x/12+x/20=1
3x×2x=?
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
解方程:x-19分之5x-96+x-9分之x-8=x-6分之4x-19+x-8分之2x-21