1.8-8x/1.2 - 1.3-3x = 5x-0.4/0.
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1.8-8x/1.2 - 1.3-3x = 5x-0.4/0.
(1.8-8x)/1.2 - (1.3-3x)/2 = (5x-0.4)/0.3 (去括号)
=>1.8/1.2-8x/1.2 - 1.3/2 +3x/2=5x/0.3 - 0.4/0.3
=>3/2 -2x/0.3 -1.3/2 +3x/2=5x/0.3 - 4/3 (x项移到一边,其他到等式另一边)
=>5x/0.3+2x/0.3-3x/2=4/3+3/2-1.3/2 (等式两边分母化成相同的)
=>10x/0.6+4x/0.6-(0.9x)/0.6=8/6+9/6-3.9/6
=>(10x+4x-0.9x)/0.6=(8+9-3.9)/6
=>x=(8+9-3.9)/6*0.6/13.1=0.1
=>1.8/1.2-8x/1.2 - 1.3/2 +3x/2=5x/0.3 - 0.4/0.3
=>3/2 -2x/0.3 -1.3/2 +3x/2=5x/0.3 - 4/3 (x项移到一边,其他到等式另一边)
=>5x/0.3+2x/0.3-3x/2=4/3+3/2-1.3/2 (等式两边分母化成相同的)
=>10x/0.6+4x/0.6-(0.9x)/0.6=8/6+9/6-3.9/6
=>(10x+4x-0.9x)/0.6=(8+9-3.9)/6
=>x=(8+9-3.9)/6*0.6/13.1=0.1
1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3如何计算结果X=11/5?
1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0
(1.8-8x)/1.2-(1.3-3x)/2-(5x-0.4)/0.3=0
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1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3
用递归法求y=x-(x*x*x/3!)+(x*x*x*x*x/5!)-(x*x*x*x*x*x*x/7!)+.
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
设函数f(x)=(x-1)(x-2)(x-3)(x-4)(x-5)(x-6)(x-7)(x-8)(x-9)(x-10),
1.8—8x/1.2—1.3—3x=5x—0.4/0.3是解方程
1.8-8x/1.2-1.3-3x/2=5x-0.4/0.3的方程怎么解?
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)