Question

Помогите плиз!!!2 целых 4\7-1 целая 3\7+3 целых 1\7-2 целых 5\7=?Помогите плиз!!!

Answer 1

2 4/7-1 3/7+3 1/7-2 5/7=1 4/7
1)2 4/7-1 3/7=1 1/7
2)1 1/7+3 1/7=4 2/7
3)4 2/7-2 5/7=3 9/7-2 5/7=1 4/7

Answer 2

 =2 4/7- 1 3/7 +3 1/7 -2 5/7 = 1 1/7 +3 1/7 - 2 5/7 = 4 2/7 - 2 5/7 = 30/7 - 19/7 = 11/7 
= 1 4/7