(5,69+1,606)-1,29=7,296-1,29=6,006

(3,7-2,388)+0,76=1,312+0,76=2,072

(8,59+2,31)-(8,59-2,31)=10,9-6,28=4,62

54,002-(28,7-5,001)=54,002-23,699=30,303