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(143+275)ori6 an doua moduri

Răspuns :

(143+275)*6= 418*6=2508
143*6+275*6= 858+1650=2508
A:143+275=418×6=2508
B:143×6+275×6=
=143×6=858+275×6=
=275×6=1650+858=
=2508