Calcule o valor das expressões: [(+2)² -(-5)² + 6 – 4 ]: a) 17 b) -17 c) -19 d) 23 COM O CÁLCULO!.... Pergunta de ideia deEriicaAlbuquerque

December 2019 2 62 Report

Calcule o valor das expressões: [(+2)² -(-5)² + 6 – 4 ]:

a) 17
b) -17
c) -19
d) 23

COM O CÁLCULO!

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Ricardo1967 A) - 19
[4-(25)+6-4]=
[4-25+6-4]=
-25-4+4+6=
-29+10= - 19
UM ABRAÇO.

4 votes Thanks 2

AnnahLaryssa Resposta: alternativa C

[(+2)² -(-5)² + 6 - 4 ]
[ 4 - 25 + 6 - 4]
[ - 21 + 2]
- 19

0 votes Thanks 1

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