вычислите (4.5/12-3.7/18) :9,25+5/6

(4.5/12-3.7/18):9,25+5/6=17/18

1)4.5/12 - 3.7/18 = 1.1/36

2)1.1/36:9,25=1/9

3)1/9+5/6 = (2+15 )/18 = 17/18