Вправи 1101 - 1200 » 1108
Обчисліть: 1) (–3/14 – 8/21) : 20/21 = (–9/42 – 16/42) ∙ 21/20 = –25/42 ∙ 21/20 = –5/8. 2) (–41/12 + 39/10) : 33/10 = (–365/60 + 354/60) : 33/10 = –11/60 ∙ 10/33 = –1/18.
Обчисліть: 1) (–3/14 – 8/21) : 20/21 = (–9/42 – 16/42) ∙ 21/20 = –25/42 ∙ 21/20 = –5/8. 2) (–41/12 + 39/10) : 33/10 = (–365/60 + 354/60) : 33/10 = –11/60 ∙ 10/33 = –1/18.