99 +9/9
99 + 9/9 = 100
99 divided by 0.99
99 + (9/9) = 100
101
99 + 9/9 = 100
99+9/9=100
99 + (9 ÷ 9) = 100
There are six!
9x9=81 9 9=18 9 to the power 0=1 81 18 1=100
99/9 + 9 = 20
four nines - with eight left over !
99+9/9 which translates to 99+1 (get ur calculators if u want to check, its a tough one *rolls eyes*)