jeff rae r.calumpang
Abacus was invented by the Chinesethe abacus was also known as the first computer
li sou
The abacus was invented to help people calculate.
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
The abacus was invented before cameras and so no photograph exists.
abacus was not invented by chinese, but by babylonians.
Abacus was invented by the Chinesethe abacus was also known as the first computer
li sou
China invented the abacus .
unknown, before written history.
The abacus was invented to help people calculate.
the Chinese invented the abacus
China invented the Abacus.
abacus the Chinese invented it
The abacus was invented before cameras and so no photograph exists.
The abacus was invented by the Sumerians in 2,700 BCE, not in 1642 ACE
jv