Question

Resolva as seguintes equações:
A) 19-(2-3)-5
B) -3-(-40+40)+15
C) 78-(56-32+32-91)
D) +1(-2)+(+14)
E) 5+(-45)+67-(-56)
F) -6+(-3).(-2)
G) 9.(-9):(27)-(100-19):9
H)26-[-(-3)+(-7).(+1)]
I) 20-{-9-[-(-50+5):(+9)]}


Com calculos pfv!!!

Answer 1

A) 19-(2-3)-5 =

19-(-1)-5

19+1-5

20-5

15

B) -3-(-40+40)+15 =

-3-(0)+15

-3+15

+12

C) 78-(56-32+32-91) =

78-(56-91)

78-(-35)

78+35

113

D) +1(-2)+(+14) =

-2+14

+12

E) 5+(-45)+67-(-56) =

5-46+67+56

128-46

84

F) -6+(-3).(-2) =

-6+6

0

G) 9.(-9):(27)-(100-19):9 =

-81:27-(81):9

-3-9

-12

H)26-[-(-3)+(-7).(+1)] =

26-[+3-7]

26-{-4]

26+4

30

I) 20-{-9-[-(-50+5):(+9)]} =

20-{-9-[-(45:9)]}

20-[-9-5}]

20-[-14]

20+14

34

Espero ter ajudado ❤️❤️❤️❤️

31/01/22