1) 1700/18=94 тетради
2) 94х18=1692
3) 1692х0.95= 1607,4
4) 1700-1607.4=92.6
5) 92.6/18=5,...
6) 94+5 = 99
Ответ: 99 тетрадей
3/16+5/16=8/16
11/15-8/15=3/15=1/5
23/25-18/25=5/25=1/5
15/28+9/28=24/28=6/7
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