Question

Resolva as expressões a
A 31-[44-(-72-6+28):2]
B -{-74-[-22+(-169):(+13)- 100]}
C -4+{5-[-3:(-3:(-7+9)]}
D 10+{-2×(-5+[-4-(-2+1)]}

Answer 1

A) 31-[44-(-72-6+28):2]
31-[44-(-78+28):2]
31-[44-50:2]
31-[44-25]
31-19
12

B) -{-74-[-22+(-169):(+13)-100]}
-{-74-[-22-169:+13-100]}
-{-74-[-22-156-100]}
-{-74-[-178-100]}
-{-74-278}
-352

C)-4+{5-[-3:(-3:(-7+9)]}
-4+{5-[-3:(-3:2)]}
-4+{5-[-3:-1,5]}
-4+{5+2}
-4+7
3

D)10+{-5×(-5+[-4-(-2+1)]}
10+{-5×(-5+[-4-1]}
10+{-5.(-5-5]}
10+{-5.-10}
10+50
60

Answer 2

A resposta é
16 .

39.

0.5.

20.