Bài 1:
a: \(\dfrac{-11}{15}< >\dfrac{-34}{45}\)
\(-\dfrac{12}{15}=\dfrac{-4}{5}=\dfrac{8}{-10}\)
\(\dfrac{-21}{28}=\dfrac{-3}{4}=\dfrac{-39}{52}\)
\(\dfrac{-11}{7}=-\dfrac{165}{105}\)
b: \(\dfrac{12}{13}< >\dfrac{1213}{1313}\)
\(\dfrac{17}{23}=\dfrac{1717}{2323}\)
\(\dfrac{13}{29}=\dfrac{1313}{2929}\)
\(\dfrac{23}{99}=\dfrac{-2323}{-9999}\)
c: \(\dfrac{-31}{49}=\dfrac{-313131}{494949}\)
\(\dfrac{123}{123123}=\dfrac{567}{567567}\)
\(\dfrac{-2323}{1919}=\dfrac{-232323}{191919}\)
\(\dfrac{-1313}{2121}=\dfrac{-131313}{212121}\)
Đúng 1
Bình luận (0)
