Question

calcule:
a) √49-√4=
b) 20-√16=
c) √36-√25+7°=
d) √400+√900=
e) √0+√1+√4+√9=
f) 6.√25+4.√49=

Answer 1

a) √49 = 7 e √4= 2 ; 
    7-2= 5
b) √16= 4 ;
     20 - 4 =16
c) √36 = 6; √25= 5 e 7°= 1 ;
     6-5 + 1 = 2
d) √400= 20 ;√900 = 30 ;
    20+30= 50
e) √0 = 0; √1= 1; √4= 2 e √9= 3 ; 
     0+1+2+9= 12
f) 6.√25+4.√49= 6.5 + 4.7 = 30 + 28 = 58
 √25= 5 e √49= 7

Answer 2

Resposta:

a) √49 = 7 e √4= 2 ;  

   7-2= 5

b) √16= 4 ;

    20 - 4 =16

c) √36 = 6; √25= 5 e 7°= 1 ;

    6-5 + 1 = 2

d) √400= 20 ;√900 = 30 ;

   20+30= 50

e) √0 = 0; √1= 1; √4= 2 e √9= 3 ;  

    0+1+2+9= 12

f) 6.√25+4.√49= 6.5 + 4.7 = 30 + 28 = 58

√25= 5 e √49= 7

Explicação passo-a-passo: