Question

resolva as expressões

1) 9x6 - 48: 8 + 7.7

2) 64÷ 8 + 8.7 - 8.5

3) 90÷ 10 - 6.8 + 9.6​

Answer 1

Explicação passo-a-passo:

resolva as expressões

1) 9x6 - 48: 8 + 7.7

54 - 6 + 7.7 =  55.7

2) 64÷ 8 + 8.7 - 8.5  

8 + 8.7 - 8.5 = 16.7 - 8.5 = 8.2

3) 90÷ 10 - 6.8 + 9.6​

9 - 6.8 + 9.6 = 18.6 - 6.8 = 11.8