Question

Alguém sabe resolver?a)√8-2√2 b)5√12-9√3c)√45+√500-√245d) 2√40+√1000-√360

Answer 1

a) \/8 - 2 \/2
....\/4x2 - 2 \/2
....2 \/2 - 2 \/2
....0

b) 5\/12 - 9\/3
....5 \/4x3 - 9 \/3
....5x2 \/3 - 9 \/3
...10 \/3 - 9 \/3
...\/3

c) \/45 + \/500 - \/245
....\/9x5 + \/100x5 - \/49x5
....3 \/5 + 10 \/5 - 7 \/5
....13 \/5 - 7 \/5
....6 \/5

d) 2\/40 + \/1.000 - \/360
....2 \/10x4 + \/100x10 - \/36x10
....2x2 \/10 + 10 \/10 - 6 \/10
....4 \/10 + 10 \/10 - 6 \/10
...14 \/10 - 6 \/10
...8\/10