\(\frac{2}{5}\)x \(\frac{3}{8}\)+ \(\frac{3}{4}\)
= \(\frac{3}{20}\)+ \(\frac{3}{4}\)
= \(\frac{9}{10}\)
tk nhé năn nỉ đó
2/5 x 3/8 +3/4 = 6/40 + 3/4 =6/40+30/40=36/40
D/S:36/40
K TUI NHA
\(\frac{2}{5}\)x\(\frac{3}{8}\)+\(\frac{3}{4}\)= \(\frac{3}{20}\)+\(\frac{15}{20}\)
=\(\frac{9}{10}\)
2/5 x 3/8 + 3/4 = 9/10
k minh di , xin day
2/5 . 3/8 + 3/4
= 3/20 + 3/4
= 18/20
= 9/10
k mình nhácác bạn