作业帮1.256x4+3.14x(2x3.14分之1.256)²x2=?
来源：学生作业帮助网 编辑：作业帮 时间：2024/12/02 22:10:26
x)332506340 O;ڞh)[XW$铢\Άfۚ!733A630X$A]n qxPpSM
\
1.256x4+3.14x(2x3.14分之1.256)²x2=?
1.256x4+3.14x(2x3.14分之1.256)²x2=?
1.256x4+3.14x(2x3.14分之1.256)²x2=?
1.256x4+3.14x(2x3.14分之1.256)²x2
=5.024+3.14x(2x0.4)²x2
=5.024+3.14x0.64x2
=5.024+4.0192
=9.0432
=5.024+3.14×0.04×2
=5.2752
1.256x4+3.14x(2x3.14分之1.256)²x2=?
(1)x4-12x+323(2)x4+7x3+14x2+7x+1
因式分解：x4+x3+2x2 +x+1
因式分解x4+x3+2x2-x+3
x1-x2+x3=1x2-x3+x4=21若x1,x2,x3,x4,x5满足方程组 x3-x4+x5=3x4-x5+x1=4x5-x1+x2=5求x2 x3 x4的值2已知 x1+x4+x6+x7=39 x2+x4+x5+x7=49 x3+x5+x6+x7=41 x4+x7=13 x5+x7=14 x6+x7=9 x1+x2+x3+x4+x5+x6+x7=9求x7的值若x1,x2,x3,x4,x5满足方程组 x1-x
x4+x3+2x²+x+1分解因式
因式分解：x4+7x3+14x2+7x+1
x4+7x3+14x2+7x+1
因式分解X5-X4+2X3-2X2+2X-4
x4+2x3+x2+1+2(x+x2)因式分解
因式分解：2x4-x3-6x2-x+2
因式分解:2x4+3x3-6x2-3x+2
因式分解：x5-3x4+2x3-x2+3x-2
因式分解：x5-2x4-3x3+x2-2x-3
把x4-2x3-11x2+12x+36因式分解
x4+4x3+3x2-2(x+3)因式分解
6x4+5x3+3x2-3x+2因式分解
线性代数!解非其次线性方程组；【2x1+x2-x3+x4=1；4x1+2x2-2x3+x4=2；2x1+x-x3-x4=1】.