А)-3 2/1+4 3/11-10 2/29-4 3/11-5/7+10 2/29= б)0,9-2 - вопрос №7347892321431110229431157102290921307094213 от Anna888Anna1 22.07.2021 20:29

Question

Математика: А)-3 2/1+4 3/11-10 2/29-4 3/11-5/7+10 2/29= б)0,9-2 1/3-0,7-0,9-4+2 1/3=

Anna888Anna1 · Answer

А) = (4 3/11 - 4 3/11) + (10 2/29 - 10 2/29) - 3 2/1 - 5/7 = - 3 14/7 - 5/7 == - 3 19/7 = - 5 5/7б) = (0,9 - 0,9) + (2 1/3 - 2 1/3) - 0,7 - 4 = - 0,7 - 4 = - 4,7...