Question

04. Calcular o valor das expressões

a)70 – [ 6. (4² : 2) + 3²]

b)(8²-1):3 + 4.6

Answer 1

a) 70-[6.2+3²]

70-12+3²

70-15

55

b)(8²-1) : 3+ 4.6

7:3+4.6

2.3+4.6

6+24

30