a+174×4=967
a+696=967
a=967-696
a=271
b-304×3=1543
b-912=1543
b=1543+912
b=2455
283×34+c=9816
9622+c=9816
c=9816-9622
c=194
27×23-d=115
621-d=115
d=621+115
d=736
Akm celalalt exercitiu:
(46×27)+(635×58)=
=1242+36830=
=3872
Cred ca merit si eu o coroana,la cat m.am chinuit!!!