\(\frac{8x15+16x4-8x21}{16x5-8x7}\)
\(\Rightarrow=\frac{120+64-168}{80-56}=\frac{16}{24}=\frac{2}{3}\)
Ủng hộ đi nhen
\(\frac{8\times25+16\times4-8\times21}{16\times5-8\times7}\)
\(\Rightarrow\frac{120+64-168}{80-56}\)
\(\Rightarrow\frac{16}{24}=\frac{2}{3}\)
\(\frac{8.15+16.4-8.21}{16.5-8.7}\)
\(=\frac{120+64-168}{80-56}\)
\(=\frac{16}{24}\)
\(=\frac{2}{3}\)
tương tác tốt