Question

1) Fatore: 2√20
2) Resolva: 2√8+√27-√128-√24

Answer 1

1)2\/20 = 2\/4x5 = 2x2\/5 =4\/5
2)2\/8+\/27-\/128-\/24
2\/4x2+\/9x3-\/64x2-\/4x6
2x2\/2-3\/3-8\/2-2\/6
4\/2-3\/3-8\/2-2\/6
4(1.41)-3(1.73)-8(1.41)-2(2.44)
5,64+5,19-11,28-4,88
10,83-11,28-4,88
-0,45-4,88
-5,33