2.2/3:2+(4/15+2/5):(3.1/3 * 3/5) ?¿
2 2/3:2=8/3:2=1 1/3 4/15+2/5=4/15+6/15=10/15=2/3 3 1/3*3/5=10/3*3/5=2 1 1/3+2/3=2 2:2=1 Ответ:1