Question

scrie fracții echivalente cu 2/3 care sa aibă numitorul 27,18,9,81

Answer 1

2/3=a/27⇒a=27x2:2⇒x=27⇒2/36=18/27
2/3=a/18⇒a=18x2:3⇒a=12⇒2/3=12/18
2/3=a/9⇒a=9x2:3⇒a=6⇒2/3=6/9
2/3=a/81⇒a=81x2:3⇒a=54⇒2/3=54/81