Trouve les nombres manquants :

27 - ..... = 8..... - 15 = 23
3 + ..... = 10..... × 4 = 16
..... + 6 = 944 : 4 = .....
34 - 24 = .......... + 3 = 21
19 + ..... = 2411 + ..... = 33
18 - 17 = .....13 - 4 = .....
..... + 0 = 14..... + 18 = 34
24 + 2 = .....7 × ..... = 56
22 + 17 = .......... × 2 = 4
9 + ..... = 2710 + ..... = 15