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
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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
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