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a fost răspuns

16. Calculează.
a) 1 416 : {[(32×43 - 9 999:11)× 2 + 256 : 8]:2-99:9}
b) {[(60 - 6×4) ×3+ 612:6] ×2 +24}:4-4​

Răspuns :

Rusuramona

Răspuns:

a) 1416:{[(1376-909)×2+256:8]:2-99:9}=1416:[(467×2+256:8):2-99:9]=1416:[(934+32):2-99:9]=1416:(966:2-99:9)=1416:(483-11)=1416:472=3

b) {[(60-6×4)×3+612:6]×2+24}:4-4={[(60-24)×3+612:6]×2+24}:4-4=[(36×3+612:6)×2+24]:4-4=[(108+102)×2+24]:4-4=(210×2+24):4-4=(420+24):4-4=444:4-4=111-4=107