Răspuns :
a) =9+13×12
=9+156
=165
b) =[5×(9-3)+80]:10
=(5×6+80):10
=(30+80):10
=110:10
=11
=9+156
=165
b) =[5×(9-3)+80]:10
=(5×6+80):10
=(30+80):10
=110:10
=11
a)9+117:9×12=
9+13×12=
9+156=165
b){5×[9-(10-7)]+80}:10=
[5×(9-3)+80]:10=
(5×6+80):10=
(30+80):10=
110:10=11
9+13×12=
9+156=165
b){5×[9-(10-7)]+80}:10=
[5×(9-3)+80]:10=
(5×6+80):10=
(30+80):10=
110:10=11