Question

calculează conform modelului
am pus poza va rog frumos dau coroana​

Answer 1

• 123×3=(100×3)+(20×3)+(3×3)=300+60+9=369 253×3=(200×3)+(50×3)+(3×3)=600+150+9= 759 122×3=(100×3)+(20×3)+(2×3)=300+60+6=366
• 305×2=(300×2)+(0×2)+(5×2)=600+0+10=610
• 243×3=(200×3)+(40×3)+(3×3)=600+120+9=729
• 423×3=(400×3)+(20×3)+(3×3)=1200+60+9=1269
• 251×3=(200×3)+(50×3)+(1×3)=600+150+3=753
• scuze ca am raspuns greu dar si eu fac teme in acest moment