Tính: a) 150 x 35 : 50
Giải thích
Tính:
a) 150 35 : 50 | b) \(\frac{3}{5}:\frac{2}{9} - \frac{1}{{10}}\) |
= 5250 : 50 = 105 | \(\begin{array}{l} = \frac{3}{5} \times \frac{9}{2} - \frac{1}{{10}}\\ = \frac{{27}}{{10}} - \frac{1}{{10}} = \frac{{26}}{{10}} = \frac{{13}}{5}\end{array}\) |