(5,69+1,606)-1,29=6,006
1.5,69+1,606=7,296
2.7,296-1,29=6,006
(3,7-2,388)+0,76=
1.3,7-2,388=1,312
2.1,312+0,76=2,072
(8,59+2,31)-(8,59-2,31)=4,62
1.8,59+2,31=10,9
2.8,59-2.31=6,28
3.10,9-6,28=4,62
54,002-(28,7-5,001)=30,303
1.28,7-5,001=23,999
2.54,002-23,999=30,303