Ответ:
1. 737/67=х/61
Х=61*11=671
(737/67=11)
2.х/57=258/86
Х=3*57=171
(258/86=3)
4.770/70=33/х
Х=11*33=363
(770/70=11)
3.364/х=637/91
Х=7*364=2548
(637/91=7)
5.462/х=168/24
Х=7*426=2982
(168/24=7)
6.637/91=98/х
Х=7*98=686
7.162/х=78/26
Х=3*162=486
(78/26=3)