Question

Điền dấu thích hợp ( >, <, =)  vào ô vuông :

a) \(\dfrac{-4}{7}+\dfrac{3}{-7}.......-1\)

b) \(\dfrac{-15}{22}+\dfrac{-3}{22}......\dfrac{-8}{11}\)

c) \(\dfrac{3}{5}.....\dfrac{2}{3}+\dfrac{-1}{5}\)

d) \(\dfrac{1}{6}+\dfrac{-3}{4}.......\dfrac{1}{14}+\dfrac{-4}{7}\)

Answer 1

ĐS. a) b) ;

c) ; d)