tim:1/1*2+1/2*3+1/3*4+...+1/x*(x+1)=996/997
tim x ; x -2/3 = 1/2
tim x biet : 1/3 x X +2/5x (X+1)=0
tim x
1/5+x=3/7+1/3
x-1/2=2/3-1/5
3/5 nhân x=2/7+1/4
7/8:x=1/6 nhân 2/3
hai kho thoc chua 50 tan
kho 1 ban 1255 kg va chuyen 3750 kg tu kho 1 sang kho 2 thi kho 1 = 2/3 kho 2 hoi luc dau kho 1 co .... kg
AI nhanh minh like
Tim x
x nhan 1/2 =1/3
tim x
(3/5-x)+13/20=5/6
(x-1/2)x5/3=7/4-1/2
x*(3-x)=0
(x+2)*(4*x-8)=0
(x+1)+(x+2)+(x+3)+...+(x+100)=5750
tim x
Giup minh voi tim x biet
5/3 - 1/3 : ( 1 - x . 1/3 ) = 7/6
3 - ( x : 1/2 +3/2 ) - 1/4 = 1/2
