👤

ex 16, Repede va rog!! Dau coroana ​

Ex 16 Repede Va Rog Dau Coroana class=

Răspuns :

384x29=384x(20+9)=(284x20)+(384x9)=6780+3456=10236

608x54=608x(50+4)=(608x50)+(608x4)=30400+240=30640


292x307=292x(300+7)=(292x300)+(292x7)=87600+2044=89644


308x205=308x(200x5)=(308x200)+(308x5)=61600+1540=63140


Sper ca te-am ajutat☘️