Предмет: Математика, автор: ppkxneto

упростите выражение 9 8/15a+5 4/25a и найдите его значение при a=3 1/58

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Автор ответа: Igornatev

0

9 8/15a+5 4/25a=14 52/75а
8/15+4/25= 40/75+12/75=52/75

14 52/75× 1/58=1102/75×1/58=19/75

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