Subject :ICSO Class : Class 4
who invented abacus ?
Ans 1:
Class : Class 9
the chinese
Ans 2:
Class : Class 10
of course the Chinese people
Ans 3:
Class : Class 10
Chinese in 16th century
Ans 4:
Class : Class 10
Chinese people
Ans 5:
Class : Class 5
The Chinese
Ans 6:
Class : Class 6
The people of China invented the Abacus around 500 B.C.
Ans 7:
Class : Class 6
The Chinese
Ans 8:
Class : Class 5
Chinese in 16th century
Ans 9:
Class : Class 4
chinese in 16th century around 500 bc