化简|x+3|+|x-7|
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 22:58:10
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化简:|x+3+|x-1|+|x+7|
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(x+3)(x+7)(x-3)(x-7)+16化简
化简|x+3|+|x-7|
填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x
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!)+.
化简:9x-12x+5x,3x-5x-2+5x+8,3x+5+2x+3-7-11x
化简:3x(x的平方+2x+7)-(x的平方+7)(3x-5)
化简:3x(5x^2-2)-x^2(4x+3)+8(7x+1)
3x^2-7x^2+2x^2-4x-3x 化简
8x-[-3x-(2x-7x-5)+3]+4x化简
已知{1-7x>3-5x,-3x>6,化简|x|-|x+1|.
8x²-【-3x-(2x²-7x-5)+3】+4x化简
化简-7x-{3x-2[x-a(x-1)]-3(2x-2)}
(x+3)(x-7)-(x-4)(X-5)=10x+9 化简,求值
化简sin(x)(cos(x)+cos(3x)+cos(5x)+cos(7x))
求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X
化简 3x(x^2-x-1)-(x+1)(3x^-x) X^3(x-y)+x(y-x)