Đặt tính rồi tính: 607 × 63
Giải thích
a)
b)
\(7 + \frac{1}{5} = \frac{{35}}{5} + \frac{1}{5} = \frac{{36}}{5}\)
\(\frac{{11}}{7} - \frac{5}{8} = \frac{{88}}{{56}} - \frac{{35}}{{56}} = \frac{{53}}{{56}}\)
a)
b)
\(7 + \frac{1}{5} = \frac{{35}}{5} + \frac{1}{5} = \frac{{36}}{5}\)
\(\frac{{11}}{7} - \frac{5}{8} = \frac{{88}}{{56}} - \frac{{35}}{{56}} = \frac{{53}}{{56}}\)