\(\frac{7}{5}-\frac{4}{7}-\frac{9}{10}\)
7/5 -4/7 - 9/10
= 98/70 - 40/70 - 63/70
= 58/70 - 63/70
= -5/70
ủa lớp mấy z
\(\frac{7}{5}-\frac{4}{7}-\frac{9}{10}\)
Bé Cún0 Trả lời · 17/10/22
