Răspuns :
a) (56+24)-(54+23)=80-77=3
b) (67+32)-(43-21)=99-22=77
c) (15-6)×(72:8)=9×9=81
d) (4×9):(24:4)=36:6=6
b) (67+32)-(43-21)=99-22=77
c) (15-6)×(72:8)=9×9=81
d) (4×9):(24:4)=36:6=6
a)
(56+24)-(54+23)=
80-77=
3
b)
(67+32)-(43-21)=
99-22=
77
c)
(15-6)•(72:8)=
11•9=
99
d)
(4•9):(24:4)=
36:6=
6
(56+24)-(54+23)=
80-77=
3
b)
(67+32)-(43-21)=
99-22=
77
c)
(15-6)•(72:8)=
11•9=
99
d)
(4•9):(24:4)=
36:6=
6