272. To'g'ri burchakli parallelepipedda a) a = 6 m, b = 12 m, c = 7 m; b) a = 2 dm, b = 13 dm, c = 6 dm bo'lsa, uning hajmini hisoblang.
273. Yog'och taxtaning bo'yi 6 m, eni 2 dm va qalinligi 25 cm. 1 dm taxtaning
massasi 650 g ekani ma'lum bo'lsa, taxtaning massasini toping.
274. To'g'ri burchakli parallelepipedning hajmi 3366 cm va balandligi 33 cm
bo'lsa, asosining yuzini toping.
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