Question

Resolva as operações

a) +50-125
b) +45-120
c) -40-127
d) -63+45
e) -55-50
f) -42+100
g) +51-61
h) -51-61
i) -51+61

Answer 1

a) +50-125 = -(125-50)= -75
b) +45-120 = -(120-45)= -75
c) -40-127 = -(127+40)= -167
d)-63+45= -(45+63)= -108
e) -55-50=-(55+50)= -105
f)-42+100= -(100+42)= -142
g) +51-61= -(61-51)= -10
h) -51-61= -(61+51)= -112
i) -51+61= -(61+51)= -112

Answer 2

a)+50-125= -75

b)+45-120=-75

c)-40-127=-167

d)-63+45=-18

e)-55-50=-105

f)-42+100=58

g)+51-61=-10

h)-51-61=-112

i)-51+61=10