Вычислите. 1) 1/6 + 3/5 = ?/30 + ?/30 = 2) 11/12 - 1/4 = 11/12 - ?/12 = 3) 5/14 + 3/4 = ?/28 + ?/28 = 4) 13/24 - 5/16 = 5) 7/8 + 3/10 = 6) 11/15 + 2/9 - 3/5 = ?/45 + ?/45 - ?/45 =

Question

Александр Ларионов

Математика

30 мая, 10:43

Вычислите. 1) 1/6 + 3/5 = ?/30 + ?/30 = 2) 11/12 - 1/4 = 11/12 - ?/12 = 3) 5/14 + 3/4 = ?/28 + ?/28 = 4) 13/24 - 5/16 = 5) 7/8 + 3/10 = 6) 11/15 + 2/9 - 3/5 = ?/45 + ?/45 - ?/45 =

+3

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Аврора Демидова · Answer 1

1) 1/6 + 3/5 = 5/30 + 18/30 = 23/30

2) 11/12 - 1/4 = 11/12 - 3/12 = 8/12 = 2/3

3) 5/14 + 3/4 = 10/28 + 21/28 = 31/28 = 1 (3/28)

4) 13/24 - 5/16 = 26/48 - 15/48 = 11/48

5) 7/8 + 3/10 = 35/40 + 12/40 = 47/40 = 1 (7/40)

6) 11/15 + 2/9 - 3/5 = 33/45 + 10/45 - 27/45 = 16/45.