Выполните действия дроби 2/7 + 3/7 1/2+3/5
1-4/9
3-2/7
1 1/2+2/3
2 3/5-1 1/2
162
200
Ответы на вопрос:
2/7 + 3/7 = 5/7
1/2+3/5 = 5/10+6/10 = 11/10 = 1 целая 1/10
1-4/9 = 5/9
3-2/7 = 2 целых 5/7
1 1/2+2/3 = 3/2+2/3 = 9/6+4/6 = 13/6 = 2 целых 1/6
2 3/5-1 1/2 = 13/5-3/2 = 26/10-15/10 = 11/10 = 1 целая 1/10
1/2+3/5 = 5/10+6/10 = 11/10 = 1 целая 1/10
1-4/9 = 5/9
3-2/7 = 2 целых 5/7
1 1/2+2/3 = 3/2+2/3 = 9/6+4/6 = 13/6 = 2 целых 1/6
2 3/5-1 1/2 = 13/5-3/2 = 26/10-15/10 = 11/10 = 1 целая 1/10
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