4 operation & abacus basic fact &
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This document discusses basic math operations like addition, subtraction, multiplication, and division. It also covers how to perform some of these operations, like addition and subtraction, using an abacus.
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4 operation & abacus basic fact &
- 1. 1. BASIC OPERATION FACTS 1.1 Addition Basic Facts 1.2 Multiplication Basic Facts
- 2. 1.3 Subtraction Basic Facts 1.4 Division Basic Facts
- 3. 2.1 ABACUS BASIC OPERATION - ADDITION
- 4. 2.2 ABACUS BASIC OPERATION - SUBTRACTION