Выполните действия а) 2 7/20+7 3/20 б) 3 8/13+8 3/13 в) 11 21/29-9 12/29 г) 14-5/13 д) 8 1/9-3 5/9 Спасибо. Created by ForgottenWilson. matematika-ru

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Выполните действия
а) 2 7/20+7 3/20
б) 3 8/13+8 3/13
в) 11 21/29-9 12/29
г) 14-5/13
д) 8 1/9-3 5/9
Спасибо

Answers & Comments

Finik2100 А) 9 10/20;
б) 11 16/13=11 11/13;
в) 2 9/29;
г) 14·13/13 - 513 = 182/13 - 5/13 = 182 - 5/13 = 177/13 = 13 8/13;
д) 5 + 1/9 - 5/9 = 5 + 1 - 5/9 = 5 - 4/9 = 41/9 = 5 + 49/9 = 4 5/9

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