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Abacus/Manual/Quick use
The quick use of an abacus is almost like the quick use of a math tool of today. If you have read the past sections then you would know that there are five earth beads and two heavan bead to a row.
Abacus heavan and earth beads
The addition, subtraction, multiplication, and divisions all are after this section and are in order from easiest to hardest.
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