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a fost răspuns

3*45+3*15,23*718-162*23,2413*1001-2413,20*48+20*2;1029*599+2029

Răspuns :

SashaMalmed
Dăm factor comun


3×45+3×15=3×(45+15)=3×60=180

23×718-162×23=23×(718-162)=23×556=1668

2413×1001-2413= 2413×(1001-1)= 2413×1000=2413000

20×48+20×2=20×(48+2)=20×50=1000

2029×599+2029= 2029×(599+1) =2029×600=1,217,400

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