Question

Resolva A Expressão:
 

[(6 + 7. √9 ) : 3² + ( 21 - 5 . √4 )] + √49 - √100

Answer 1

[(6+7.3):9+(21-5.2)]+7-10
= [(6+21):9+(21-10)]+7-10
= [27:9+11]+7-10
= [3+11]+7-10
= 14+7-10
= 21-10
= 11