2【x^3】^2 x^3-【3x^3】^3+5x^2 x^7=【】【过程】
1个回答
解
2(x³)²*x³-(3x³)³+5x²x^7
=2x^9-27x^9+5x^9
=(2-27+5)x^9
=-20x^9
相关问题
1.(x+2)(x-5)= 2.(x²+3)(2x²-1)(写过程)3.(x+5)(x+——)=x²+7x+10(写过程
(x^3)^2*x^3-(3x^3)^3+(5x)^2*x^7
计算:2(x3)2•x3-(3x3)3+(5x)2•x7.
21-x/2+x/3-2x/5=x x+2/3+x=10-2x/7 9-3x-2/5=7-3x/6
解方程 2(x-3)=3(x-5)+7 5(x+2)=2(2x+7) 3(x-2)=x-(7-8x)
解下列不等式组(1)x-5≤2x-1,3x-5≤4-3/2x(2)3(x+1)<5x,1/3x-1≥7-5/3x要过程,
15=X/3+2 .(x+2)/3=(3-x)/2.(x-3)/4-(1+3x)/8.7-(X+5)/2=(2-X)/5
2(X^2)^2×X^3-(3X^3)^3+(5X)^2×X^7
lim(x→∞)(3x^3-4x^2+2)/(7x^3+5x^2-3)=
5x-2=7x+8 3=3/2x+16 1-3/2x=3x+2/5