a,4000-10/3200-8
=3990/3192
=5/4
b,810+6/540+4
=816/544
=3/2
hok tốt
\(\frac{4000-10}{3200-8}=\frac{3990}{3192}=\frac{5}{4}\)
\(\frac{819+6}{540+4}=\frac{816}{544}=\frac{3}{2}\)
Học tốt
\(\frac{4000-10}{3200-8}=\frac{3990}{3192}=\frac{5}{4}\)
\(\frac{819+6}{540+4}=\frac{816}{544}=\frac{3}{2}\)
#hoc_tot#