Question

Số?

a) \(\dfrac{36}{42}=\dfrac{18}{?}=\dfrac{?}{7}=\dfrac{30}{?}\)                        b) \(\dfrac{80}{100}=\dfrac{?}{20}=\dfrac{4}{?}=\dfrac{?}{50}\)

Answer 1

a) \(\dfrac{36}{42}\)  = \(\dfrac{18}{21}\)  = \(\dfrac{6}{7}\)  = \(\dfrac{30}{35}\)     

b) \(\dfrac{80}{100}\) =\(\dfrac{16}{20}\)  = \(\dfrac{4}{5}\) = \(\dfrac{40}{50}\)

Answer 2

a, 36/42=18/21=6/7=30/35

b, 80/100=16/20=4/5=40/50