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strojnjashka [21]
3 years ago
12

Where does the R7/R8 come from/ what does it stand for ? ( pic attached)

Mathematics
2 answers:
I am Lyosha [343]3 years ago
5 0
No photo is attached, I would love to help because im familiar with this but I’ve got nothing to look at :)
Ket [755]3 years ago
4 0
No photo is attached
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