Trouve les nombres manquants :

7 + 19 = .....0 + 8 = .....
..... + 7 = 24..... + 7 = 9
24 + 22 = .......... + 23 = 46
8 + ..... = 16..... × 10 = 50
..... + 17 = 3225 - 4 = .....
18 + 9 = .....18 - 10 = .....
..... + 0 = 2430 : 10 = .....
..... + 13 = 1933 - ..... = 21
11 + 8 = .....7 + 23 = .....
21 + 21 = .....11 × ..... = 55