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Ответы: 2
КИРА ЗИМИНА
2017-11-15 09:08
1) 3/5 и 5/6 => 18/30 и 25/30 2) 6/11 и 4/9 => 54/99 и 4/99 3) 5/6 и 5/11 => 55/66 и 30/66 4) 7/18 и 1/6 => 7/18 и 3/18 5) 9/13 и 4/5 => 45/65 и 52/65 6) 5/7 и 3/4 => 20/28 и 21/28 7) 2/15 и 1/3 => 2/15 и 5/15 8) 5/8 и 3/4 => 5/8 и 6/8

2017-11-16 07:54
1) 3/5 и 5/6 общ.зн.30. 2) 6/11 и 4/9 общ.зн. 99 3)5/6 и 5/11 общ.зн 66. 4)7/18 и 1/6 общ.зн.18. 5)9/13 и 4/5 общ.зн60. 6)5/7 и 3/4 общ.зн. 28. 7)2/15 и и 1/3 общ.зн.15. 8)5/8 и 3/4 общ.зн 8.