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2 votes
12 tenths plus 9 tenths

User Marsolk
by
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2 Answers

1 vote
1 1/10 because 12 tenths plus 9 tenths is 21 tenths then u divide
User Rafael Rotelok
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7.8k points
3 votes
21 tens because 12+9=21
User Doesdos
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8.6k points