(NsAMOSTOQTELXNYE RABOTY U^A]IHSQ PO FIZIKE W (B6-7 (NKLASSAH DIDAKTI^ESKIJ MATERIALs - (N~EBOTAREWA a(B. (Nw(B.s ((NmOSKWAs (NpROSWE]ENIEs, 1985)