Trouve les nombres manquants :

45 : 5 = .......... × 7 = 14
70 : 7 = .......... + 0 = 5
27 - 20 = .......... - 6 = 4
7 + 23 = .......... × 5 = 50
32 - ..... = 1415 + ..... = 24
23 + 19 = .....9 + ..... = 15
19 + 1 = .....5 × ..... = 10
15 + ..... = 2614 + 23 = .....
29 - 17 = .....11 + 3 = .....
23 - ..... = 8..... : 7 = 7