\(\frac{14}{15}\div\frac{7}{20}=\frac{14}{15}\times\frac{20}{7}=\frac{14\times20}{15\times7}=\frac{8}{3}\)
\(\frac{9}{8}\div\frac{27}{16}=\frac{9}{8}\times\frac{16}{27}=\frac{9\times16}{8\times27}=\frac{2}{3}\)
tinh bang cach thuan tien :
9/8 + 14/27 + 1/9
Tinh bang cach thuan tien 9/5:17/15+8/5:17/15 bang bao nhieu
Tinh bang cach thuan tien :
41 / 27 x 13 / 18 - 13 / 18 x 14 / 27
tinh bang cach thuan tien Q=1\3+1\9+1\27+...+1\729
tinh bang cach thuan tien 3/5 x 7/9 + 11/9 x 3/5 - 3/10. B 14/13 : 1/2 + 3/13 x2 -2 x 7/13
tinh bang cach thuan tien nhat : 1+2-3-4+5+6-7-8+9+...+2013+2014-2015-2016
tinh bang cach thuan tien nhat
0,2 * 317 * 7 + 0,14* 3520 + 33,1 * 14 = ?
Tinh bang cach thuan tien:
5/9: 4/7+ 13/9 *7/4
Tinh bang cach thuan tien nhat 4/15+8/13+11/5+5/13
