18.02.2021

Հաշվի՛ր արտահայտության արժեքը։

1200 : 300 =​​​4

6300 : 90 = ​​​70

56000 : 80 =​​​700

2500:50=50

42000:700=60

3600:90=40

 

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

3694 x 3 = 110.082

1420 x 5 =7.100

3450 x  4 =13800

2145 x 6 = 12870

3748 x 2 =7496

 

  1. Հաշվի՛ր:

480:6=​​​360:10=

350:7=​​​240:60=

 

203×6=​​​

131×5=

521×3=

415×6=

 

  1. Հաշվի՛ր:

280:40-420:60=

320:(417-377)+60=

360:(480:80)-60=

8×40-720:80=

54x(407-397):60=

350:(490:7)x60=

 

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