Question

estimeaza produsul prin rotunjirea factorilor si scrie operatiile corecte. 211 x 40 =8440 , 178 x 22 =5906 , 211 x 40 =4444 , 178 x 22 =3916

Answer 1

Rotunjirea factorilor:
211*40=8440,8000
178*22=5906,6000
211*40=4444,4000
178*22=3916,4000

211*40=8440
178*22=3916
211,40=8440
178*22=3916