Victor 900 - page 18

Lesson 5: Repetitive Subtraction and Addition
Victor 900 Calculator Teacher’s Guide
18
TRANSPARENCY
Repetitive Subtraction and
Addition
15 - 3 - 3 - 3 = ?
6 + 2 + 2 + 2 = ?
Press these buttons: The calculator shows:
.ON/AC. 0.
15 -. 15.
3. =. 12.
=. 9.
=. 6.
----------------------------- ------------------------------
.ON/AC. 0.
6 +. 6.
2. =. 8.
=. 10.
=. 12.