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a fost răspuns

calculeaza d) 5x35+5x70-5x5 e)43x275+57x275 f) 175x123+27x123-102x123

Răspuns :

CosmoteRo
5x35+5x70-5x5=5(35+70-5)=5x100=500

43x275+57x275=275x(43+57)=275x100=27500

175x123+27x123-102x123=123(175+27-102)=123x100=12300