Southville International School and Colleges
Studebaker, Gordon

Add or subtract : computational skills C / by Gordon Studebaker and John W. Studebaker. - Teacher's Ed - New York : Scholastic, 1980. - 32 p. ; cm. - A Scholastic Skills Book .

0-590-30172-1


Mathematics.
Subtraction.
Add.

TR 372.7 / C652 1980
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