Question

Simplifique as expressões: a) 3✓5-4✓5+✓5.
B) -2✓3+✓2+ 3✓2-✓3
C)✓36-✓45 + 3✓100

Answer 1

Olá, Stela. (=^.^=)/

A) 3✓5-4✓5+✓5 =  0
B) -2✓3+✓2+ 3✓2-✓3 = 0,46
C) ✓36-✓45 + 3✓100 =  29,292

A) 3✓5-4✓5+✓5 = 

3.2,236-4.2,236+2,236 = 
6,708-8,944+2,236 = 
8,944-8,944 = 0

B) -2✓3+✓2+ 3✓2-✓3 = 

-2.1,732+1,414+3.1,414-1,732 = 
-3,464+1,414+4,242-1,732 = 
-5,196+5,656 = 0,46

C) ✓36-✓45 + 3✓100 = 

6-6,708+3.10 = 
6-6,708+30 = 
36-6,708 = 29,292

Espero ter ajudado.
Bons estudos! :-)