Ответ:
1. 4 125/143
2. 3 2/3
Пошаговое объяснение:
1. 2 13/11 + 1 9/13 = 35/11 + 22/13 = (35*13+22*11)/143 =
(455+242)/143 = 697/143 = 4 125/143
2. 5 - 1 1/3 = 4 3/3 - 1 1/3 = 3 2/3
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Answers & Comments
Ответ:
1. 4 125/143
2. 3 2/3
Пошаговое объяснение:
1. 2 13/11 + 1 9/13 = 35/11 + 22/13 = (35*13+22*11)/143 =
(455+242)/143 = 697/143 = 4 125/143
2. 5 - 1 1/3 = 4 3/3 - 1 1/3 = 3 2/3