1) S4=25 a4-? r-? R-? P-? 2) P3=12 a3-? r-? R-? S-?

Question

1) S4=25 a4-? r-? R-? P-? 2) P3=12 a3-? r-? R-? S-?

Answer 1

https://ru-static.z-dn.net/files/d10/1f411e53b8f9c0fe7bd4e0f8dc3379fe.jpg

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