1065. Q a n d ay h o llard a tu shish b u rchag i sinish burchagiga
te n g b o ‘ladi?
1066. N u r su v d an shish aga o ‘ta d i. T u sh ish b arch ag i 35°
ga ten g . S inish b u rc h ag in i toping.
1067. S inish b urch agi tu shish b u rc h ag id an 2 m a rta kichik
b o ‘lishi u c h u n n u r shisha sirtiga q anday bu rch ak ostida tushishi
lozim ?
1068. S in g an n u r qay tg an n urga p e rp e n d ik u la r b o ‘lishi
u c h u n n u r shishaga q a n d a y b u rc h a k o stid a tu sh ish i lozim ?
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