3/2x(2.25+25/6)x7.7%]-15/13=?
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3/2x(2.25+25/6)x7.7%]-15/13=?3/2x(2.25+25/6)x7.7%]-15/13=?3/2x(2.25+25/6)x7.7%]-15/13=?-0.413
3/2x(2.25+25/6)x7.7%]-15/13=?
3/2x(2.25+25/6)x7.7%]-15/13=?
3/2x(2.25+25/6)x7.7%]-15/13=?
-0.413
3/2x(2.25+25/6)x7.7%]-15/13=?
3/2x(2.25+25/6)x7.7%]-15/13=?
3.236x(-7)+(-3.264)x7-(-2.5)x7
1、1/6x(5-2/3) 2、7/8x7+3/8
1/6x(5-2/3) 7/8x7+3/8
(1/2-3/7)x7/25+2/5=?
不等式3-7x7 B x-7 Dx>-10
-3.5x(6分之1-0.5)x7分之3÷(-2)
(-2)x7与7x(-2)是什么关系
解方程:5x-3x7/10=5/7
4x+3 x7/10=13/2
用秦九韶算法计算当X=3时多项式f(x)=7X7+6x6+5x5+4x4+3X3+2x2+X的值
(x+1)6次方(2x-3)2次方的展开式中x7次方的系数
解方程3x7+7x=42(x+4)除0.2=3514.5x+25x=518x(x+3.2)=64.8(x-1.6)除11=2
(1-1/2x4)x(1-3/3x5)x(1-5/4x6)x(1-7/5x7)x(1-9/6x8)x(1-11/7x9)x(1-13/8x10)x(1-15/9x11)
8x-6x7=18
解方程x+2 x7=28
4X+8.60x2=30 4X-X=39 7X+90x7=1463 3X-2+X=50 X=多少 (是小题,格式,