4 × 3 = 12 → put down 2 in units, carry the 1 to tens. 20 × 3 = 60, then add the carry. Final answer = 72. This is achieved on abacuses by having the ...
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21 Haz 2016 ... Learn how to use an abacus to add, subtract, multiply, and divide. In this video, Eddy takes a…
1. Orient your abacus properly. Each column in the top row should have one or two beads per row, while each co…
3 Tem 2024 ... In this video, I'm demonstrating how to read an abacus. First, you need to clear the abacus. Pi…
The standard abacus can be used to perform addition, subtraction, division and multiplication; the abacus can …