Toán Lớp 5: Sắp xếp từ bé đến lớn:
$\dfrac{1}{5}$ + $\dfrac{2}{5}$ + $\dfrac{3}{5}$ + $\dfrac{4}{5}$ + $\dfrac{5}{5}$
$\dfrac{16}{5}$
$\dfrac{1}{2}$ + $\dfrac{1}{3}$ + $\dfrac{1}{6}$
$\dfrac{4}{15}$
1 – $\dfrac{2}{15}$
$\dfrac{8}{7}$ $\times$ 7/6 $\times$ 6/5 $\times$ 5/4
8/15
19/13
1/3 + 3/5
4/5
Leave a reply
Comments ( 1 )
a) 1/5 + 2/5 + 3/5 + 4/5 + 5/5
= 15/5 < 16/5
b)1/2 +1/3 + 1/6
= 3/6 + 2/6 + 1/6
= 1 > 4/15
c) 1 – 2/15 8/7 x 7/6 x 6/5 x 5/4
= 15/15 – 2/15 = 2
= 13/15
Vậy 13/15 < 2
d) 5/15 < 19/13
e) 1/3 + 3/5
= 14/15 > 4/5
Chúc bạn học tốt