Question

[tôi không quan tâm]

1/30 +1/30+1/30+1/30+1/30+1/30+1/30=??

Answer 1

[sakura]

\(\frac{1}{30}+\frac{1}{30}+\frac{1}{30}+\frac{1}{30}+\frac{1}{30}+\frac{1}{30}+\frac{1}{30}\)

\(=\frac{1}{30}\times6\)

\(=\frac{6}{30}=\frac{1}{5}\)

sorry bài kia mik nhầm

Answer 2

[Kudo Shinichi]

\(=\frac{1+1+1+1+1+1}{30}\)

\(=\frac{6}{30}=\frac{1}{5}\)