1+1+1+1+2+2+2+2+3+3+3+3+...+99+99+99+99+100+100+100+100=?
8+2-10+2+100+99+99=?
Ai cần tik hôgg.
\(\frac{1}{2}.\frac{2}{3}....\frac{98}{99}.\frac{99}{100}=??\)
99+99-99-99+99-99+99
99 + 99 + 99 + 99 + 99 + 99 + 99 = ??????
(-99) x (-98) x (-97) x....x 1 x 2 x 3x 4.....x 99 = ?
Nhanh nhất thưởng tick.
2 + 2 + 2 x 99 = ?
99+2=?
99 x 2 =?