b)
0,5^3:1/8+0.01^2*1/1000=1/10000000
5/10^3:1/8+1/100^2*1/1000=1/10000000
125/1000*8/1+1/10000*1/1000=1/10000000
1000/1000+1/10000*1/1000=1/1000000
10000/10000+1/10000*1/1000=1/10000000
10001/10000*1/1000=1/10000000
c)
(9:0,15+1:0,2):0,01=65
(60+5):0,01=65
65:0,01=65
d)
(1/2-0,2+0,35):10=0,065
(0,5-0,2+0,35):10=0,065
(0,3+0,35):10=0,065
0,65:10=0,065
e)
2,1*37=(2,1:3)*(37*3)=0,7*111=77,7
2,3*37=(2,3:3)*(37*3)=0,7(6)=78,0(3)
2,8*37=(2,8:4)*(37*4)=1,2*268=80,4
