Math Abacus Game. The abacus been used since ancient times and is still in use today. An abacus has beads that slide on rods.
abacus maths YouTube
Web the abacus is a calculating tool often used in mathematics. The abacus been used since ancient times and is still in use today. An abacus has beads that slide on rods. It can be used to count, add, subtract, multiply and more. The column on the far.
Web the abacus is a calculating tool often used in mathematics. Web the abacus is a calculating tool often used in mathematics. The abacus been used since ancient times and is still in use today. It can be used to count, add, subtract, multiply and more. The column on the far. An abacus has beads that slide on rods.