Question

4/7+3/7=

11/9-2/9=

2/6+5/6-1/6=

Kết bạn với mik nha!

Answer 1

A)1

B)1

C1

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Answer 2

Tính:

\(\frac{4}{7}+\frac{3}{7}=\frac{4+3}{7}=\frac{7}{7}=1\)\(1\)

\(\frac{11}{9}-\frac{2}{9}=\frac{11-2}{9}=\frac{9}{9}=1\)

\(\frac{2}{6}+\frac{5}{6}-\frac{1}{6}=\frac{2+5-1}{6}=\frac{6}{6}=1\)

Học tốt! 

Answer 3

\(\frac{4}{7}\)\(+\)\(\frac{3}{7}\)\(=\)\(1\)

\(\frac{11}{9}\)\(-\)\(\frac{2}{9}\)\(=\)\(1\)

\(\frac{2}{6}\)\(+\)\(\frac{5}{6}\)\(-\)\(\frac{1}{6}\)\(=\)\(1\)

Answer 4

\(\frac{4}{7}+\frac{3}{7}=1\)

\(\frac{11}{9}-\frac{2}{9}=1\)

\(\frac{2}{6}+\frac{5}{6}-\frac{1}{6}=1\)

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Answer 5

Sorry 

\(\frac{4}{7}+\frac{3}{7}=\frac{4+3}{7}=\frac{7}{7}=1\)

Nhìn nhầm! 

Answer 6

\(\frac{4}{7}+\frac{3}{7}=\frac{7}{7}=1\)

\(\frac{11}{9}-\frac{2}{9}=\frac{9}{9}=1\)

\(\frac{2}{6}+\frac{5}{6}-\frac{1}{6}=\frac{6}{6}=1\)