helooo2
12.10.2020 •
Mathematics
Simplify: 80 ÷ 4 - 2(2 + 1)²
A. 2
B. 10
C. 162
D. 31
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Ответ:
is the answer.
Step-by-step explanation:
the given expression is
as we know
then the expression will become
So the answer is .