Question

7Resolva as expressões: a)(1+4)×(2+3)-5×4 b)(2-3)×[(10+4)÷2] c) (2-3)²×[(10+2)÷3]³.

Answer 1

a)(1+4)×(2+3)-5×4=

5×(2+3)-5×4=

5×5-5×4=

25-5×4=

25-20=

5

Resposta; 5

b)(2-3)×[(10+4)÷2]

1×[(10+4)÷2]

1×[14÷2]

1×7

7

Resposta; 7

c) (2-3)²×[(10+2)÷3]³

1²×[(10+2)÷3]³

1²×[12÷3]³

1²×4³

1×4³

1×64

64

Resposta; 64

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Espero que tenha te ajudado.

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