Question

Calculati suma nr. a si b, unde:
a=305,7-105,27
b=19,2-17,02+137,34
Raspunsul trebuie sa fie:339,95

Answer 1

Calculezi a=200.43
b=2.18+137.34=139.52
200.43+139.52=339.95

Answer 2

 a= 200, 43 (am facut scaderea) adaugi la  305, 7 un 0 casa se poata aduta , virgula sub virgula
b= 139.52
  a+b =  200,43 + 139,52= 339,95