METODORF.COM
Interactive Portal-Book of Self-Development Methods

Arithmetic ability: level three: mental subtraction of four-digit numbers.

Return to exercise selection

5137 - 1937 =

9958 - 8084 =

7282 - 4816 =

9855 - 2807 =

6342 - 2764 =

7685 - 2806 =

7133 - 5495 =

7954 - 6288 =

9003 - 8723 =

9606 - 9228 =

Return to exercise selection




© Oleg Akvan
metodorf.com



Comment block
No one has left comments here yet, be the first!

Leave a comment:
Name *
Email
Verification *  6,7,6,4
(enter without commas)
Message*

* - required fields
(E-mail the address is visible only to registered users)



Site Map  |  Aboute us  |  Guest book  |  Feedback  |  Policy