Răspuns:
a) 8,9029
b) 72,8614
c) 254,7909
Explicație pas cu pas:
a) 3,560 + 4,764 = 8,3240 + 0.5789 = 8,9029
b) 9,314 + 13.014 = 22,328 + 5,600 = 27,928 + 14,035 = 41,963 + 23,005 = 64,9680 + 7,8934 = 72,8614
c) 2,390 + 12,391 = 14,781 + 20,009 = 34,7900 + 220,0009 = 254,7909