Пусть 13 < a < 15 и 8 < b < 9.
Оцените a) a+b г) a/b
a) 13 < a < 15
8 г) 1/9 < 1/b < 1/8
Оцените a) a+b г) a/b
a) 13 < a < 15
8 г) 1/9 < 1/b < 1/8
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Ответ:
а)13<14<15и б)8<8,5<9