1) (2 2/7+1 1/7)*1 1/6= 2) (1 2/3+2 4/9): (2 26/27-2 - вопрос №77862991227117116212324922627229 от Марцело 30.03.2022 18:05

Question

Математика: 1) (2 2/7+1 1/7)*1 1/6= 2) (1 2/3+2 4/9): (2 26/27-2 2/9)=

Марцело · Answer

1) (2 2/7+1 1/7)*1 1/6 = 3 3/7 * 1 1/6 = 24/7 * 7/6 = 24/6 = 4,2) (1 2/3+2 4/9) : (2 26/27- 2 2/9) = (1 6/9+2 4/9) : (2 26/27-2 6/27) = 4 1/9 : 20/27 = 37/9 * 27/20 = 111/20 = 5 11/20...