8/9:4/14:3/7
=8/9 : 2/7 : 3/7
= 8/9 x 7/2 x 7/3
= 196/27
8/9:4/14:3/7
=8/9 : 2/7 : 3/7
= 8/9 x 7/2 x 7/3
= 196/27
8/9:4/14:3/7
=8/9 : 2/7 : 3/7
= 8/9 x 7/2 x 7/3
= 196/27
8/9:4/14:3/7
=8/9 : 2/7 : 3/7
= 8/9 x 7/2 x 7/3
= 196/27
1/2+2/3+3/4+4/5+5/6+6/7+7/8+8/9+9/10+10/11+11/12+12/13+13/14+14/15=?
{ < , >, = }
5/6......11/12 4/7.......3/4 5/8..........3/8
10/14.....5/7 10/9 .......10/11 8/15...........8/9
4/7 + 2/8 =
8/6 - 8/24 =
9/28 x 14/9 =
7/6 : 2/3 =
Tính :
a) 7 x \(\dfrac{3}{14}\) - \(\dfrac{1}{14}\) b) \(\dfrac{3}{2}\) + \(\dfrac{7}{4}\) x \(\dfrac{2}{5}\)
c) \(\dfrac{9}{8}\) : 3 + \(\dfrac{7}{8}\) : 3 d) 2 : \(\dfrac{3}{4}\) - \(\dfrac{5}{8}\) x \(\dfrac{4}{3}\)
9/14-3/7=; 6/8*4/5=; 6/4:7/5=;
6 phần 7 - 9 phần 14 ; 9 phần 8 : 3 phần 4
(4/9 x 3/7) x 7/4 (6/5x4/5)x 25/16 (7/8 x 16/9)x3/14
Giúp em
Điền dấu thích hợp vào chỗ chấm
9/14 ... 11/14 4/25 ... 4/23 5/6 ... 7/8 1 ... 14/15
8/9 ... 24/27 20/19 ... 20/27 8/7 ... 9/8 1 ...15/14
1. 8/11 + 8/33 x 3/4
7/9 x 3/14 : 5/8
5/12 - 7/32 : 21/16