(x+1) + (x+2) + ......+ ( x+30) = 795
(x+1)+(x+2)+(x+3)+.....+(x+30)=795
tìm x biết x + (x+1) + (x+2) + .......+ (x+30) = 795
Tim X : (x+1) + (x+2)+(x+3) +...+(x+30) =795
tìm x
(x+1)+(x+2)....+(x+30)=795
2022x-2021 + 3 =( 7-5 )2 14* ( x+1) + ( x+2) +...+( x+30 ) = 795
2022x-2021 + 3 =( 7-5 )2 14* ( x+1) + ( x+2) +...+( x+30 ) = 795
2022x-2021 + 3 =( 7-5 )2 14* )( x+1) + ( x+2) +...+( x+30 ) = 795
Tìm x thuộc N biết :
( x+1 )+( x+2 )+.......+( x+30 ) = 795