Question

2) Resolva as seguintes subtrações nos inteiros:

a) (-45) – (-19) b) (17)-(123)

c) (-90)-(58) d) (112)-(-98)

e) (+15)-(81) f) (+76)-(-29)​

Answer 1

a) (-45) – (-19) = -45+19 = -26

b) (17)-(123) = 17-123 = -105

c) (-90)-(58) = -90-58 = - 148

d) (112)-(-98) = 112+98 = 210

e) (+15)-(81) = +15-81 = -66

f) (+76)-(-29)​ = +76+29 = +105

Answer 2

a) (-45) – (-19) = -45+19 = -26

b) (17)-(123) = 17-123 = -105

c) (-90)-(58) = -90-58 = - 148

d) (112)-(-98) = 112+98 = 210

e) (+15)-(81) = +15-81 = -66

f) (+76)-(-29)​ = +76+29 = +105

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