Question

assinale com um X e comprove,na folha de almaco ,qual das expressoes possui o menor valor:

A)-9+15-(-8)-6
B)9-(+15)-8-(-6)
C)-9+15-8-6
D)9-(+15)+8-(-6)
E)9-(-15)-8+(-6)

Answer 1

A)-9+15-(-8)-6 = -9 +15 +8 -6 = +23 - 15 = +8

B)9-(+15)-8-(-6) = 9 -15 -8 +6 = +15 - 23 = - 8

C)-9+15-8-6 = +15 - 23 = -8

D)9-(+15)+8-(-6) = 9 -15 +8 +6 = +23 - 15 = +8

E)9-(-15)-8+(-6) = 9 +15 -8 - 6 = +23 -15 = +8