() + () = () + () = () + () six different prime numbers are filled in the brackets fast
7+23=11+19=13+17
Fill in the brackets with the appropriate prime number: 91 = () + () = () multiplied by () = () - () - ()
Fill in the brackets with the appropriate prime number: 91 = (2) + (89) = (7) times (13) = (101) - (3) - (7)
33 = () multiply () prime in brackets
33 = (3) times (11) prime in brackets