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Indian scholars invented all of the following that we use today except _____ .

a.
the 12 month calendar
c.
the number zero
b.
inoculations against disease
d.
Hindu-Arabic numerals

2 Answers

0 votes
I think it's D. Hindu- Arabic Numerals
User Yurii Hierts
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the answer is A! believe me i just finished the test :)

User Ben Kouba
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