4/5x4+2/5x2+1/5x16
4个回答
-4/5×4+4/5+4/5×4
=4/5×(4+1+4)
=4/5×9
=36/5
=7又1/5
相关问题
方程:x-5\2x-5\2*4\1x=(5\2x+16)4\1 怎么解
六年级4/5x4+2/5x2+5/1x16怎么算啊?
[(6-5x+x^2)/(x^2-16)]/[(x-3)/(4-x)]*[(x^2+5x+4)/(4-x^2)]
﹙1/2√x+3/4√4x^3-5/8√16x^5﹚*√x^3=
4/5x-1/10x=7/8/ 5/16=3/4x+1/2x
(1) x+3x=-16 (2) 16y-2.5y-7.5y=5(3) 3x+5=4x+1(4) 9-3y=5y+5 就
求未知数x. 30-3.5X=16 1 4 :2=4x:32 60%: 1 2 = 2x 5 .
8x-3=9+5x.5x+2(3x-7)=9-4(2+x).[x−1/4−2x+16=1
|-2|+|-1/4|+2x|-3/8|+4x|-5/16|
解方程(1)4(x-1)+5=3(x+2);(2)2x+13-5x-16=1.