Tìm x:
(x+1)+(x+4)+(x+7)+........+(x+28)=156
Tìm x:
( x +1 ) + ( x +4 ) + ( x +7 ) + .......+ ( x +28 ) + = 156
tìm x:
( x +1 ) + ( x +4 ) + ( x +7 ) + .......+ ( x +28 ) = 156
( x + 1) + (x + 4) + (x + 7) + ......... + (x + 28) = 156
[x+1]+[x+4]+[x+7]+...+[x+28]=156
(x+1)++(x+4)+(x+7)+...+(x+28)=156
Tìm x :
a) x.3 - x : 3 = 36,5.4
b) (x + 1 ) + (x + 4 ) + ( x + 7 ) + ... + ( x + 28 ) = 156
c) 11 .( x - 6 ) = ( 4.x ) + 11.
( x+1)+( x+4)+( x+7)+.........+( x+28) =156
1.
[x+1]+[x+4]+[x+7]+..........+[x+28]=156
