Folosind proprietatile adunarii calculati: a) 2+3+97+98 b) 5+13+19+87+95+11 c)16+184+982+118+66+134 d) 355+129+678+645+322+871
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a) 2+3+97+98 =100+100=200
b) 5+13+19+87+95+11= 100+100+30=230
c)16+184+982+118+66+134 =150+250+1100=1500
d) 355+129+678+645+322+871=1000+1000+1000=3000
b) 5+13+19+87+95+11= 100+100+30=230
c)16+184+982+118+66+134 =150+250+1100=1500
d) 355+129+678+645+322+871=1000+1000+1000=3000
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