Subtraction with help

During subtraction we write subtrahend under minuend, and the result below the line.

Praca Próbka

80 - 31 = ?

8

0

=

+

-

3

1

-

3

1

=

+

pracy Rozwiązanie

80 - 31 = ?

8

0

=

4

0

+

4

0

-

3

1

-

3

1

4

9

=

9

+

4

0

Domu
Subtraction with help