Răspuns :
Răspuns:
a. (1,21+0,326+0,11)*10=1,21+0,326+0,11=1,646*10=16,46
b. 2,3*(23,5-11,5+13)+102=2,3*25=57,5+102=159,5
c. (11,63+0,81-5,92)*11-2,4=6,52*11=71,72-2,4=69,32
d 2,1*1,21+(17-16,65)*(57,89-0,789*10)=2,1*1,21=2,541
17-16,65=0,35 0,789*10=7,89 57,89-7,89=50 0,35*50=17,5+2,541=20,041