Question

решите пример ((2+(3/7))*(1+(5/11))+(2+(3/7))*(2+(6/11))/((2+(3/7))*(1+(5/11)). Где знак / там дробь.

Answer 1

1)2+3/7=2 3/7
2)1+5/11=1 5/11
3)17/7*16/11=3 41/77
4)2+3/7=2 3/7
5)2+6/11=2 6/11
6)17/7*28/11=6 2/11
7)3 41/77+6 2/11=748/77=9 5/7
8)2+3/7=2 3/7
9)1+5/11=1 5/11
10)17/7*16/11=3 41/77
11)68/7:272/77=68/7*77/272=13 19/77