Question

Calcule o valor das expressões numéricas

al (8+6 +2 -1 )+ (1+9-3 +2) =
el (3+4x2+6) – (1+10:5 +9)=​

Answer 1

al (8+6+2-1)+(1+9-3+2)

(14+2-1)+(1+9-3+2)

(16-1)+(1+9-3+2)

15+(1+9-3+2)

15+ (10-3+2)

15+(7+2)

15+9

=24

el (3+4×2+6)-(1+10÷5+9)

(3 + 8 +6)-(1+2+9)

(11+6)-(1+2+9)

17-(3+9)

17 - 12

=5