Question

1 4) Resolva as expressões numéricas. a) (4x 5 + 3) - (2+8:4) = b) 7 + (2 x 3 - 1) + (10 - 9:3) = c) 6+ (15: 3 x 12) = d) (30 x 5 + 4) - (12: 6 + 8) =​

Answer 1

Resposta:

a)19

b)19

c)66

d)144

Explicação passo-a-passo:

a)(4x5+3=23)-(2+8:4=4)

23-4=19

b)7+(2x3-1=5)+(10-9:3=7)

7+5+7=19

c)6+(15:3×12=60)

6+60=66

d)(30×5+4=154)-(12:6+8=10)

154-10=144