Question

giúp em với em cần gấp

Answer 1

https://youtu.be/KBtk5FUeJbk

Answer 2

a) \(\dfrac{15}{18}=\dfrac{5}{6}\)
b) \(2\)\(-\dfrac{11}{10}=\dfrac{9}{10}\)

Answer 3

a)\(\dfrac{x}{18}=\dfrac{5}{6}=>x=18.5:6=15\)

b)\(x-\dfrac{11}{10}=\dfrac{9}{10}=>x=\dfrac{9}{10}+\dfrac{11}{10}=\dfrac{20}{10}=2\)

Answer 4

a.x=10

b.x=2