1) $$\frac{162}{9} = 162:9$$
18 ------ 9|162 -9 -- 72 -72 -- 0
$$\frac{162}{9} = 18$$
2) $$\frac{432}{6} = 432:6$$
72 ------ 6|432 -42 -- 12 -12 -- 0
$$\frac{432}{6} = 72$$
3) $$\frac{391}{23} = 391:23$$
17 ------ 23|391 -23 -- 161 -161 -- 0
$$\frac{391}{23} = 17$$
Ответ: 1) 18; 2) 72; 3) 17