Question

01 - O valor numérico da expressão
20 - (- 45):(-3)2+(-2).(-1 ) é:
a) ( ) 45
b) ( ) 37
c) ( ) 30
d) () 27​

Answer 1

Alternativa correta Letra D

$20 - ( - 45) \div ( - 3) {}^{2} + ( - 2) \times ( - 1) =$

${20 + 45 \div 3 {}^{2} + 2} =$

$20 + 45 \div 9 + 2 =$

$20 + 5 + 2 =$

$25 + 2 =$

$\large \boxed{ \red{27}}$

________________________________

Att, IzabelaCristina2006 ❤️ ♈