Автор - aruzanismailova947

Упростите выражение (745, 746).
45. 1) -0,8а - 0,45b - (-с);
2) т(-0,75n) :(-0,6k);​

Ответ

Автор - hellighet
1) -0,8а-0,45b-(-c)
-0,8a-0,45b+c

2) t(-0,75n):(-0,6k)
t3/4n:(3/5k)
T 3/4n : 3k/5
T 3/4n * 5/3k
T* 1/4n* 5/k
5tn/4k

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