16. 307-3-704:8 65-8-535:5

307 – 3 – 704 : 8

1. 704 : 8 = 88
2. 307 – 3 = 304
3. 304 – 88 = 216

65 – 8 – 535 : 5

1. 535 : 5 = 107
2. 65 – 8 = 57
3. 57 – 107 = -50

Ответ: 307 – 3 – 704 : 8 = 216; 65 – 8 – 535 : 5 = -50