(-3.14)x5.597+(3.14)x(-5.597)=_______.(-1/2+2/3-1/4)x(-24)=_
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/22 08:50:02
(-3.14)x5.597+(3.14)x(-5.597)=_______.(-1/2+2/3-1/4)x(-24)=_______.99 12/13x(-13)=_______.
最后一个是99又十三分之十二,别看错了.
最后一个是99又十三分之十二,别看错了.
(-3.14)x5.597+(3.14)x(-5.597)
抄错了吧
(-1/2+2/3-1/4)x(-24)
=1/2x24-2/3x24+1/4x24
=12-16+6
=2
99 12/13x(-13)
=(100-1/13)x(-13)
=-100x13+1/13x13
=-1300+1
=-1299
再问: (-3.14)x5.597+(-3.14)x(-5.597)=_______. 帮帮忙啊谢谢
再答: (-3.14)x5.597+(-3.14)x(-5.597) =-3.14x5.597+3.14x5.597 =0
抄错了吧
(-1/2+2/3-1/4)x(-24)
=1/2x24-2/3x24+1/4x24
=12-16+6
=2
99 12/13x(-13)
=(100-1/13)x(-13)
=-100x13+1/13x13
=-1300+1
=-1299
再问: (-3.14)x5.597+(-3.14)x(-5.597)=_______. 帮帮忙啊谢谢
再答: (-3.14)x5.597+(-3.14)x(-5.597) =-3.14x5.597+3.14x5.597 =0
(-3.14)x5.597+(3.14)x(-5.597)=_______.(-1/2+2/3-1/4)x(-24)=_
1x5+2x5+3x5+4x5+5x5… 麻烦给我一个公式.
1 3x^2=2x 3 x(3x-1)=3-x5 4x(1-x)=1要写过全程
已知x^-X-1=0,则分式X4次方+2X+1/X5次方
解方程 X+(X+12)x5分之4=42 X+(X+28)x4分之3=42 X+(15+X)x5分之2=69 怎么解
3x-4X5=16
(3x-5)X2=3X(x-1)+11 5X(3x+2)-1=5x+199 (10x+5)X5分之2=3X(x-1)+9
求解一个方程急 X(1次方)+X2+X3=5 X2+X3+X4=1 X3+X4+X5=-5 X4+X5+X1=-3 X5
解方程:2x/1x3+2x/3x5+……2x/2009x2011=2010
已知函数f(x)=x5+x-3在区间【1,2】内有零点,求方程x5+x-3=0在区间【1,2】内的一个实数解,精确到0.
sn=(2-3x5^-1)+(4-3x5^-2)+…+(2n-3x5^-n)要详解答案,急用!
如何证明X5-3X=1至少有一个根介于1和2之间?