Răspuns:
a) 52,102+27,205+18,310+36,278=
79,307+54,588=133,895
b) 10,134+92,001+34,508+43=
102,135+126,552=228,687
c) 6,4+8,2 +0,369+2,072 +11,0322+7,281=
14,8000+2,4410+18,5032= (zero am adaugat pt a face mai usor calculele)
35,7442
