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

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

Return to exercise selection

7024 - 2120 =

5496 - 3255 =

8268 - 3985 =

4932 - 4574 =

8033 - 3574 =

9113 - 3984 =

9753 - 3502 =

7066 - 3867 =

6540 - 4049 =

3526 - 1620 =

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
Проверка *  7,1,5,3
(введите без запятых)
Message*

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



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