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Kruka [31]
3 years ago
7

9 + 10= _____________

Mathematics
2 answers:
slega [8]3 years ago
8 0

Answer:

9+10=19

you can just do 10+10 mentally which gives you 20 and then subtract 1 minus 20 and gives you 19 :0

Step-by-step explanation:


sveticcg [70]3 years ago
6 0
Nine plus ten is 19!!!!
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