30.04.2020

  1. Հաշվի՛ր արտահայտության արժեքը։

1200 : 300 =4

2500 : 50 =50

6300 : 90 = 70

42000 : 700 =60

56000 : 80 =700

3600 : 90 =40

256 x 7 = 200 x 7 + 50 x 7 + 6 x 7=1792

3694 x 3 =3000×3+600×3+90×3+3×3=11082

1420 x 5 =1000×5+400×5+20×5= 7100

3450 x  4 = 3000×4+400×4+50×4=13800

2145 x 6 = 2000×6+100×7+40×7+5×6=12870

3748 x 2 =3000×2+700×2+40×2+8×2=7496

Continue reading “30.04.2020”