Question

5phan 7 +7phan3 bang bao nhieu

Answer 1

50/21 nhá tk nha bn mk tính nhẩm đó

Answer 2

\(\frac{5}{7}+\frac{7}{3}=\frac{15}{21}+\frac{49}{21}=\frac{15+49}{21}=\frac{64}{21}\)

Đúng 100%

Đúng 100%

Đúng 100%

Answer 3

5/3 bạn nhé

chúc bạn học giỏi

Answer 4

\(\frac{5}{7}+\frac{7}{3}=\frac{15}{21}+\frac{49}{21}=\frac{64}{21}\)

Answer 5

\(\frac{64}{21}\)đúng rùi 100% nha

Answer 6

\(\frac{5}{7}+\frac{7}{3}=\frac{15}{21}+\frac{49}{21}=\frac{64}{21}\)

Answer 7

\(\frac{5}{7}\)+\(\frac{7}{3}\)=\(\frac{15}{21}\)+\(\frac{49}{21}\)=\(\frac{15+49}{21}\)=\(\frac{64}{21}\)

Answer 8

64/21 mình bấm máy tính nên bạn khỏi lo

Answer 9

\(\frac{5}{7}+\frac{7}{3}=\frac{15}{21}+\frac{49}{21}=\frac{64}{21}\)

Answer 10

\(\frac{5}{7}+\frac{7}{3}=\frac{15}{21}+\frac{49}{21}=\frac{64}{21}\)