Victor 900 - Manual (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.
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. ON/AC . 0.
6 + . 6.
2 . = . 8.
= . 10.
= . 12.