(-3/2)^2010x(2/3)^2009 (-2)^2009+2^2010虽然已做,但不肯定……问题连在一起了…… 是(-2)^2009+2^2010和(-3/2)^2010x(2/3)^2009
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请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360
解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1
因式分解:(x+1)(x+2)(2x+3)(x+6)-20x^4
3x/(x-2)-x/(x+2)÷2x/(x-4)化简3x/(x-2)-x/(x+2)÷2x/(x²-4)化简
(X-X*20%-18-(X-X*20%-18)*10%=X*1/2-3(过程)
麻烦解4道分式方程(20分)(x/2x-5)+(5/5-2x)=1(x+1/x*x-2x)-(1/x)=3/x-2(1-x/5-x)-(5-x/1-x)=8/x*x-6x+5(x+1/x-1)-(4/x*x-1)=1去掉括号,不管前面正负,都不变号~
(x/x-2)-2=3(x-2)/x
x(x+2)+x(x-3)
(x+2)(x-2)+16 (x-1)(x-2)+3x(x+3)-4(x+2)(x-3)(x+2)(x-2)+16 (x-1)(x-2)+3x(x+3)-4(x+2)(x-3)
(-x)^2*x^3
计算 x(x+3)-(x-1)(x-2)
(x-1)^3(x+1)(x-2)/(x+4)
x(x+1)(x+2)(x+3)+1 (换元法)
化简:x(2x+1)-x(x-3)
x(2x-3)=x² 求x,
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
(x+1)(x+2)(x+3)(x+4)+1(x+1)(x-2)(x+3)(x-4)+25
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)