1.(-5)+21x8/2-6-592.(-2)/9-7/9-563.(-2)x8-8x1/2+8/1/84.(-9)x5/6+5/65.1/2+3+5/6-7/12
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1.(-5)+21x8/2-6-592.(-2)/9-7/9-563.(-2)x8-8x1/2+8/1/84.(-9)x5/6+5/65.1/2+3+5/6-7/121.(-5)+21x8/2-6-5
1.(-5)+21x8/2-6-592.(-2)/9-7/9-563.(-2)x8-8x1/2+8/1/84.(-9)x5/6+5/65.1/2+3+5/6-7/12
1.(-5)+21x8/2-6-59
2.(-2)/9-7/9-56
3.(-2)x8-8x1/2+8/1/8
4.(-9)x5/6+5/6
5.1/2+3+5/6-7/12
1.(-5)+21x8/2-6-592.(-2)/9-7/9-563.(-2)x8-8x1/2+8/1/84.(-9)x5/6+5/65.1/2+3+5/6-7/12
1、 -5+84-6-59=14
2、 -1-56=-57
3、 -16-4+64=44
4、 -45/6+5/6=-40/6=-6又2/3
5、 6/12+3+10/12-7/12=9/12+3=3又3/4
3x8+4x8+5x8+6x8+7x8+8x8+9x8+10x8 的简便运算
1.(-5)+21x8/2-6-592.(-2)/9-7/9-563.(-2)x8-8x1/2+8/1/84.(-9)x5/6+5/65.1/2+3+5/6-7/12
(125+6)X8=( )x8+( )x8
3+5=x8+8+7+6/
(5x-12)x8=24
(-5)x8(-7)x(-0.25)
找规律:1x8+1=9 12x8+2=98 123x8+3=987……123456x8+6=?
画出求1X3+ 2X4+ 3X5+ 4X6+ 5X7+ 6X8+ 7X8的值的程序框图
2x4分之1+4x6分之1+6x8分之1.+2012x2014分之一
2x4/1+4x6/1+6x8/1.+96x98/1+98x100/1=
(6/5+8/5)X24还有 8/3-15/7X8/3
(5/6+5/8)x8/25 = = = =
3x(1/2—5/6—3/4+7/12)x8
5x(-4)-3x(-2)-(3-7)x8分之1
27分之11+(8分之5+27分之2)X8=?(6分之5+12分之7+8分之3)除以48分之1=?
1/(1x3)+1/(2x4)+1/(3x5)+1/(4x6)+1/(5x7)+1/(6x8)的答案
1x2+2x3+3x4+4x5+5x6+6x7+7x8+.+nx(n+1) 要公式,别搞太深奥!
数学matlab写代码,1式:3*x1+3.5*x2+4*x3+4.5*x4+5*x5+5.5*x6+6*x7+6.5*x8=89x1+ x2+x3+x4+x5+x6+x7+x8=200≤x1≤43 0≤x2≤59 0≤x3≤39 0≤x4≤41 0≤x5≤27 0≤x6≤28 0≤x7≤34 0≤x8≤21Yn= (x1,x2,x3,x4,x5,x6,x7,x8)求各种满足