Question

simplifique as expressões numéricas a) 3+8-3-25+7
b)(-2). (+4). (-3) . (+5) . (-2)
c)[(18+3.2): 8+5.3]: 6 ajudemmm

Answer 1

*resposta*

a) -10

b) -240

c) 3

*passo a passo*

a) 11−3−25+7

8−25+7

−17+7

-10

b) (-2)×(+4)

(-8)×(-3)

(+24)×(+5)

(+120)×(-2)

-240

c) [(18+6)÷8+5×3]÷6

[24÷8+15]÷6

[3+15]÷6

18÷6

3