10 ед.-10
10 дес.-100
100 сот.-10000
10 тыс.-10000
10 дес.тыс.-1000000
10 мл.-10000000
10дес.мл.-100000000
Решение на фото...........
I am a beautiful person who is a good idea to have a party of the most important thing is that the company is a good idea to have a party of the most important.
Ctg225=1
ctg675=-1
cos495=-1
cos765=1
376:2=188
217:7=31
447:3=149
826:7=118
690:5=138