3 3/6
ответ: 5/22
1) 12: 3/5= 4 0/1
12 : 3/5 = 12 5
12·12 + 0 : 3 =
12 5
144 : 3 =
144 * 5 =
12 3
144 · 5 =
12 · 3
720 =
36
20·36 =
1·36
0 + 20·1 = 20 0/1
2) 20 0/1 + 1/2= 20 1/2
3) 20 1/2 : 11/2= 3 8/11
20 1/2 : 11/2 =
20·2 + 1 : 11 =
2 2
41 : 11 =
41 * 2 =
2 11
41 · 2 =
2 · 11
82 =
22
41·2 =
11·2
8 + 3·11 =3 8/11
4) 3 8/11-3 1/2= 5/22
3 3/6
ответ: 5/22
1) 12: 3/5= 4 0/1
12 : 3/5 = 12 5
12·12 + 0 : 3 =
12 5
144 : 3 =
12 5
144 * 5 =
12 3
144 · 5 =
12 · 3
720 =
36
20·36 =
1·36
0 + 20·1 = 20 0/1
2) 20 0/1 + 1/2= 20 1/2
3) 20 1/2 : 11/2= 3 8/11
20 1/2 : 11/2 =
20·2 + 1 : 11 =
2 2
41 : 11 =
2 2
41 * 2 =
2 11
41 · 2 =
2 · 11
82 =
22
41·2 =
11·2
8 + 3·11 =3 8/11
4) 3 8/11-3 1/2= 5/22