Question

4) 30,25:4/5,7:1,05-2/1,6​

Answer 1

Ответ:   3 17/18.

Объяснение:

30.25:4 5/7:1.05-2 1/6=3 17/18.

1)  30.25:4 5/7=3025/100:33/7=3025/100*7/33=77/12;

2)  77/12:1.05=77/12*100/105=55/9=6 1/9;

3)  6 1/9-2 1/6=6  2/18-2 3/18=4 (2-3)/18=3 (18+2-3)/18=3 17/18.