Question

điền số thích hợp vào chỗ chấm
a, \(\dfrac{2}{3}\)=\(\dfrac{ }{6}\)=\(\dfrac{6}{ }\)=\(\dfrac{ }{15}\)=\(\dfrac{18}{ }\)=\(\dfrac{ }{42}\)=\(\dfrac{ }{300}\)                                        b,\(\dfrac{400}{500}\)=\(\dfrac{200}{ }\)=\(\dfrac{ }{125}\)=\(\dfrac{20}{ }\)=\(\dfrac{ }{5}\)=\(\dfrac{40}{ }\)

Answer 1

a: 2/3=4/6=6/9=10/15=18/27=28/42=200/300

b: 400/500=200/250=100/125=20/25=4/5=40/50

Answer 2

a) \(\dfrac{2}{3}=\dfrac{4}{6}=\dfrac{6}{9}=\dfrac{10}{15}=\dfrac{18}{27}=\dfrac{28}{42}=\dfrac{200}{300}\)

b) \(\dfrac{400}{500}=\dfrac{200}{250}=\dfrac{100}{125}=\dfrac{20}{25}=\dfrac{4}{5}=\dfrac{40}{50}\)