what is abacus ..
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abacus is a very old tool used for math . lt is still use in some part of the world. sometimes blimd people will use abacus , because they feel the numbers easily . abacus can do additions, subtraction, multiplication and division. lt is developed by chinese people . for example 5+3=8
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Here is your answer
Explanation:
The abacus was probably the first calculating device. It has wooden frame with beads sliding on wires.
It was used to perform simple calculations like
- Additions
- Subtraction
- Multiplication
- Division
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