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2014-11-03T15:08:20+02:00
11x5=55
101+55=156
156x3=468
22x7=154
468-154=314
314:31=10.129
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2014-11-03T15:15:54+02:00
[(101+55)×3-22×7]:31 =(156×3-154):31 =(468-154):31 =314:31 =10.1290323
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