30,75+5,6136 21,6-13,823 7.05*0,0308 15,6672:3,84
30,75+5,6136=36,3636 21,6-13,823=7,777 7,05*0,0308=0,21714 15,6672:3,84=4,08
1)36,3636 2)7,777 3)0,21714 4)4,08