Tìm x biết :
1 + 5 + 9 + 13 +17 + ... + x = 4950
Tìm x biết:
1+5+9+13+17+...+x=4950
Tìm x:
1+5+9+13+...+x = 4950
tìm x
1+5+9+13+17+...+x=4950
Bài tìm x:
1+5+9+13+17+..+x = 4950.
1+5+9+13+17+...+x=4950
1+5+9+13+17+...+x =4950
\(1+5+9+13+17+...+x=4950\)
1+5+9+13+17+..+ x = 4950