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   ocr: WHAT Is ARITHMETIC? RITHMETIC is the studyof these four basic operations. Arithmetic Anumbers in action. The four has its own shorthand. For example, the basic operations pfarithmetic are symbol + means add, the symbol addition, subtraction, multiplication, means take away, the symbol X1 means and division. Fractions, percentages, multiply by, and the symbol + means powers, and roots are developed from share between. - Mon Electronic "abacus" Calculating machines 85410 Calculating methods bave become more 00000 sopbisticated over the 709 years, remain but the the same. basics 2(3 456 Ux X 0000 ...