(2+7/5)x5/14怎么算? 谢谢!^_^
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/28 16:21:06
x){H\TTYCߓMWxa)$NΆ\BFZ 6HT!homo@$
L<;llƃO7 {:e
͑ps[0 ҳzI
(2+7/5)x5/14怎么算? 谢谢!^_^
(2+7/5)x5/14怎么算? 谢谢!^_^
(2+7/5)x5/14怎么算? 谢谢!^_^
(2+7/5)x5/14
=2*5/14+7/5*5/14
=5/7+1/2
=10/14+7/14
=17/14
(2+7/5)x5/14
=(2×5+7/5×5)/14
=(10+7)/14
=17/14
=5/7+1/2=10/14+7/14=17/14
(2+7/5)x5/14怎么算? 谢谢!^_^
3.5X5分之2X5分之2怎么算?
(X-2)x5=35 怎么算?
1x5+2x5+3x5+4x5+5x5… 麻烦给我一个公式.
(10+a)x5.3/2-(10-a)x5.3/2=15.9怎么算
11/4/(2/3-(1/2+3/5)x5/9)怎么算
(0.2x+5)x5=28.6怎么算?
3x5/3-5/3x3/1 怎么简算
1+5=5 那5X5=361+5=5 那5X5=是怎么算的..
请教一道小学数学题,1/1x2+1/2x3+1/3x4+1/4x5+.1/2005x2006怎么算?说明思路.谢谢!
7(x-9-5-7)+0x9+1x5+2x7=y6(x-5-2-1)+15x1+14x2+13x5=y
7分之5x5分之3X3分之10等于多少请用六年级方法谢谢
(3.2+2.1)X5.5怎么读
1X3分之一+3X5分之一+5X7分之一+7X9分之一加到2009X2011分之一怎么算,
2/7x60%+3/5x5/7简算
解方程组:x1+x2+x3+x4+x5=7 3x1+2x2+x3+x4-3x5=-2 x2+2x3+2x4+6x5=23 5x1+4x2-3x3+3x4-x5=10
X1 - X3 - X4 -5X5=0 X1+2X2+3X3+3X4+7X5=0 X1+X2+X3+X4+X5=0 X2+2X3+2X4+6X5=0
请问方程组x1+x2-3x4-x5=0,x1-x2+2x3-x4+x5=0,4x1-2x2+6x3-5x4+x5=0的基础解系与通解怎么求