Пример
2ч30мин
+1ч35мин
=4ч5мин
<span>1 рад = 57,296 градусов 2,7 рад = 2,7*57,296= 154,7 градусов</span>
112,119,126,133,140,147,154,161,168,175,182,189,196.
вроде все.
(1 1/2 + 2 2/3) : 1 2/3 = 2 1/2
1) 1 1/2 + 2 2/3 = 1 3/6 + 2 4/6 = 3 7/6 = 4 1/6
2) 4 1/6 : 1 2/3 = 25/6 : 5/3 = 25/6 · 3/5 = (5·1)/(2·1) = 5/2 = 2 1/2