Помогите пожалуйста!!!!!!!!
13:
<Т = 360-90-130-90 = 50 гр.</p>
14:
17:
PS/SR = ½ => < PRS = 30 гр.
SR = SQ = 15.6
18:
MR = RN
P(MKR) = MK+KR+MR = MK+KR+RN = MK+KN
32 = MK+26
MK = 6