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162:9-7 162:(9-7) semnul mare sau mic

Răspuns :

162:9-7=18-7=11
162:(9-7)=162:2=81
11<81 =>162:9-7<162:(9-7)
162:9-7=18-7
=11


162:(9-7)=162:2
=81

162:9-7<162:(9-7)