(1)2(4x-0.5) (2)-3(1-六分之一乘x)(3)负x+(2x-2)-(3x+5) (4) 3a^2+a^2-(2a^2-2a)+(3a-a^2)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 08:47:10
(1)2(4x-0.5)(2)-3(1-六分之一乘x)(3)负x+(2x-2)-(3x+5)(4)3a^2+a^2-(2a^2-2a)+(3a-a^2)(1)2(4x-0.5)(2)-3(1-六分之一
(1)2(4x-0.5) (2)-3(1-六分之一乘x)(3)负x+(2x-2)-(3x+5) (4) 3a^2+a^2-(2a^2-2a)+(3a-a^2)
(1)2(4x-0.5) (2)-3(1-六分之一乘x)
(3)负x+(2x-2)-(3x+5) (4) 3a^2+a^2-(2a^2-2a)+(3a-a^2)
(1)2(4x-0.5) (2)-3(1-六分之一乘x)(3)负x+(2x-2)-(3x+5) (4) 3a^2+a^2-(2a^2-2a)+(3a-a^2)
(1)2(4x-0.5)
=2*4x-2*0.5
=8x-1
(2)-3(1-1/6*x)
=-3*1+3*1/6x
=-3+x/2
(3)-x+(2x-2)-(3x+5)
=-x+2x-2-3x-5
=-2x-7
(4) 3a^2+a^2-(2a^2-2a)+(3a-a^2)
=3a^2+a^2-2a^2+2a+3a-a^2
=a^2+5a
(1)8x-1
(2)-3+0.5x
(3)-2x-7
(4)a^2+5a
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
化简:(x+3) / x^2-3x - x-1 / x^2-6x+9)除以x-9 / 3X-x^2怎么化?
(6√x/4-2x√1/x)÷3√x 化简
(x方-4x+2)(x方-4x+5)+2能分别被x-1,x-2,x-3整除
(x-1)^3(x+1)(x-2)/(x+4)
(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+1)(x+2)(x+3)(x+4)+1(x+1)(x-2)(x+3)(x-4)+25
计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1
求lim(x趋向于1)(x+x^2+x^3+...+x^n-n)/(x-1)
求lim(x趋向于1)(x+x^2+x^3+...+x^n-n)/(x-1)
计算题:已知x+1/x=3,求:①x²+1/x² ②x²/x^4+x²+1 ③2x²-5x-2+3/x²+1已知x+1/x=3,求:①x²+1/x² ②x²/(x^4+x²+1) ③2x²-5x-2+3/(x²+1 )主要是第三问,
1 (x-3)(x-2)³(x-1)²(x-4)>02 x/x²-8x+15≥23 已知a>1 解关于x的不等式ax/x-2>14 2x/x-1>1/∫x∫ ∫x∫ 是x的绝对值5 (3x²/2x-1 ) -x>02 x/(x²-8x+15)≥23 已知
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
先化简再求值先化简再求值:(x-x/x+1)(x+1/x^2+4x+4)(x^2-4/x^2-2x),其中x=-0.5
先化简再求值 【x+8÷(x²-4x+4) 减1÷(2-x) 】除以【x+3/(x²-2x )先化简再求值 【x+8÷(x²-4x+4) 减1÷(2-x) 】除以【x+3/(x²-2x ) 】
已知f(x-1)=x²+4x-5则f(x)的表达式是() A x²+6x B x²+8x+7已知f(x-1)=x²+4x-5则f(x)的表达式是()A x²+6xB x²+8x+7C x²+2x-3D x²++6x-10
1、lim(x->无穷大) e^x arctanx2、lim(x->0)sinx√1+sin(1/x)3、lim(x->无穷大)【(√x^2+x+1)-【(√x^2-x+1)】4、lim(x->无穷大)((x+{x+(x)^0.5]^0.5}^0.5)/(2x+1)^0.55、lim(x->0)(sin3x+x^2sin1/x)/((1+cosx)x)6、lim(n->无穷大)(2^n)(si
先化简,再求值:2x(3x²-4x+1)-3x²(2x-3),其中x=-3