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2013-04-23T15:21:27-03:00

85-(-5)+2+31+40+2-1

85+5=90

90+2=92

92+31=123

123+40=163

163+2=165

165-1=164

2 5 2
2013-04-23T15:21:52-03:00

85 + 5 + 2 + 31 + 40 + 2 - 1

92 + 31 + 41

92 + 72 =

164

3 4 3