Предмет: Математика, автор: DenisSemen

помогите 1339 номер

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Автор ответа: alla58

2

общий множитель выносишь за скобки
6,25 (3,6-1,2) 6,25х2,4 15
--------------------=--------------- = -------------=5
3 3 3

DenisSemen: я уже плнял

alla58: 3) 0,08в числителе и 0.04в знаменателе сократить 0,02(2,4+4,8) в знаменателе -1,8 = -0,144/1,8=0,08

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