Bài 1 tính

5/16-5/24

1/3-2/-3

2 câu trả lời

$\dfrac{5}{16}-\dfrac{5}{24}$

$=\dfrac{15}{48}-\dfrac{10}{48}$

$=\dfrac{15-10}{48}$

$=\dfrac{5}{48}$

____________________

$\dfrac{1}{3}-\dfrac{2}{-3}$

$=\dfrac{1}{3}-\left(-\dfrac{2}{3}\right)$

$=\dfrac{1}{3}+\dfrac{2}{3}$

$=\dfrac{1+2}{3}$

$=\dfrac{3}{3}$

$=1$

Câu 1:

a/ 5/16-5/24=15/48-10/48=5/48

b/ 1/3-2/3=-1/3

Chúc bạn học tốt nha!