Question

[Phùng Quỳnh Anh]

Hoàn thành bảng sau:

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

Answer 1

[Asuka Kurashina]

NHÂN	\(\frac{2}{3}\)	\(\frac{-5}{6}\)	\(\frac{7}{12}\)	\(\frac{-1}{24}\)
\(\frac{2}{3}\)	\(\frac{4}{9}\)	\(\frac{-5}{9}\)	\(\frac{7}{18}\)	\(\frac{-1}{36}\)
\(\frac{-5}{6}\)	\(\frac{-5}{9}\)	\(\frac{25}{36}\)	\(\frac{-35}{72}\)	\(\frac{5}{144}\)
\(\frac{7}{12}\)	\(\frac{7}{18}\)	\(\frac{-35}{72}\)	\(\frac{49}{144}\)	\(\frac{-7}{288}\)
\(\frac{-1}{24}\)	\(\frac{-1}{36}\)	\(\frac{5}{144}\)	\(\frac{-7}{288}\)	\(\frac{1}{576}\)

Answer 2

[Nguyễn Hữu Quang Huy]

nhân	2/3	-56	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	-1/5	5/144	-7/288	1/576