345:45-77•567:45-8•45=?

Question

345:45-77•567:45-8•45=?

Answer 1

1) 345 : 45 = 7 2/3
2) 77 * 567 = 43659
3) 43659 : 45 = 970 9/45 = 970 1/5
4) 8 * 45 = 360
5) 7 2/3 - 970 1/5 - 360 = 7 2/3 - 1330 1/5 = 23/3 - 6651/5 =
     = 115/15 - 19953/15 = - 19838/15 =- 1322 8/15
Ответ в примере: - 1322 8/15