\(\frac{8}{40}+\frac{-36}{45}\)
\(=\frac{1}{5}+\frac{-4}{5}\)
\(=\frac{-3}{5}\)
Đề của bn thíu ngoặc nha
8/40+-36/45=8/40-36/45= (72+288)/360=360/360=1
ủng hộ mk nha
\(\frac{8}{40}+-\frac{36}{45}=\frac{1}{5}+-\frac{4}{5}=\frac{1+-4}{5}=-\frac{3}{5}\)
\(\frac{8}{40}\)+ \(\frac{-36}{45}\)
= \(\frac{1}{5}\)+ \(\frac{-4}{5}\)
= \(\frac{1+-4}{5}\)
= \(\frac{-3}{5}\)