Originally in China.
actient china
The answer is China.
actient china
China invented the abacus .
China invented the Abacus.
The abacus was originated in China in 3000 B.C.(:
the jeje fell off a tree when the abacus came to life in china
China
the first abacuss ever made in the world is in china in bajing about 40,000 years ago.
the jeje fell off a tree when the abacus came to life in china
China