P.s // дробь
Решаем по действиям:
1) 34.1=341//10
2) 18.4=184//10
3) 184//10=92//5
4) (341//10)-(92//5)=(157//10)
5) 0.7=7//10
6) (7//10)*(157//10)=(1099//100)
7) 0.5=5//10
8) 5//10=1//2
9) 18.6=186//10
10) 186//10=93//5
11) (1//2)*(93//5)=(93//10)
12) (1099//100)+(93//10)=(2029//100)
13) 9.8=98//10
14) 98//10=49//5
15) 1.6=16//10
16) 16//10=8//5
17) (49//5)+(8//5)=(57//5)
18) 1.4=14//10
19) 14//10=7//5
20) (57//5)*(7//5)=(399//25)
21) (2029//100)-(399//25)=(433//100)