Răspuns:
a)=7/8+8/3-2•12+1/12=7/8. 3)+8/3. 8)-25/12=21/24+64/24+25/12=85/24-. 2)25/12=85/24-50/24=35/24
b)=3/10+7/4-1•5+4/5=3/10. 4)+7/4. 10)-9/5=12/40+70/40-9/5=82/40-9/5. 8)=82/40-72/40=42/40
c)=
d)=
e)=
f)=
acum mănânc îți răspund după accea
Explicație pas cu pas:
)=amplificare
(=simplificare
