chịu nha bn mình mới lớp 6 !!!
-__________love__________-
= 8 + 4 + 25 - 16
= 12 + 25 - 16
= 37 - 16
= 21
Kb nha.
\(2^3+4^1+5^2-4^2\)
\(=8+4+25-16\)
\(=12+25-16\)
\(=37-16\)
\(=21\)
\(2^3+4^1+5^2-4^2\)
\(\Leftrightarrow8+4-25-16\)
\(\Leftrightarrow12-25-16\)
\(\Leftrightarrow12-41\)
\(\Leftrightarrow-29\)
\(2^3+4^1+5^2-4^2\)
= 8 + 4 + 25 - 16
= 12 + 25 - 16
= 37 - 16
= 21
k mik nhé