3 2/11 · 1 4/7 - 4 1/3 : 1 1/12 = 1
1) 3 2/11 · 1 4/7 = 35/11 · 11/7 = 35/7 = 5
2) 4 1/3 : 1 1/12 = 13/3 : 13/12 = 13/3 · 12/13 = 12/3 = 4
3) 5 - 4 = 1
3 2/11 · 1 4/7 - 4 1/3 : 1 1/12 = 1
1) 3 2/11 · 1 4/7 = 35/11 · 11/7 = 35/7 = 5
2) 4 1/3 : 1 1/12 = 13/3 : 13/12 = 13/3 · 12/13 = 12/3 = 4
3) 5 - 4 = 1