Question

1. Calcule o valor das expressões:3 + 2 . [(3²-2⁰) + ( 5¹ -2²)]+ 1

Answer 1

3 + 2 * [(3² - 2⁰) + (5¹ - 2²)] + 1
3 + 2 * [(9 - 1) + (5 - 4)] + 1
3 + 2 * [8 + 1] + 1
3 + 2 * 9 + 1
3 + 18 + 1
22

Espero ter ajudado. Valeu!

Answer 2

Resposta:

3+2×[(3²-2⁰)+(5¹-2²)]+1=

3+2×[(9-1)+(5-4)]+1=

3+2×[8+1]+1=

3+2×9+1=

3+18+1=

21+1=

22