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SashaAndriyash2005
@SashaAndriyash2005
September 2021
2
17
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Раскрыть скобки в примерах:
2(x-7)
7(5-а)
(с-8)*12
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Answers & Comments
Mafa141
1. 2 (x - 7) = 2 * х + 2 * (-7) = 2х - 14
2. 7 (5 - а) = 7 * 5 + 7 * (-а) = 35 - 7а
3. (с-8)*12 = с * 12 + (-8) * 12 = 12с - 96
3 votes
Thanks 2
kisonix
1) 2х-2*7=2х-14
2) 7*5-7а=35-7а
3)12с-8*12=12с-96
2 votes
Thanks 1
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Answers & Comments
2. 7 (5 - а) = 7 * 5 + 7 * (-а) = 35 - 7а
3. (с-8)*12 = с * 12 + (-8) * 12 = 12с - 96
2) 7*5-7а=35-7а
3)12с-8*12=12с-96