Question

[Yumiko]

Hoàn thành bảng nhân sau (chú ý rút gọn kết quả nếu có thể):

\(\times\)	\(\frac{2}{3}\)	\(\frac{-5}{6}\)	\(\frac{7}{12}\)	\(\frac{-1}{24}\)
\(\frac{2}{3}\)	\(\frac{4}{9}\)
\(\frac{-5}{6}\)
\(\frac{7}{12}\)
\(\frac{-1}{24}\)

Answer 1

[TFBoys_Thúy Vân]

X	2/3	-5/6	7/12	-1/24
2/3	4/9	-5/9	7/18	-1/36
-5/6	-5/9	25/36	-35/72	5/144
7/12	7/18	-35/72	49/144	-7/288
-1/24	-1/36	5/144	-7/288	1/576