Răspuns :
a)18+27:3×2=
18+9×2=
18+18=36
b)90-49:7×5=
90-7×5=
90-35=55
c)37+54:6×4=
37+9×4=
37+36=73
d)81:9+4×4=
9+16=25
e)81-27:3×9=
81-9×9=
81-81=0
Succes:-)
18+9×2=
18+18=36
b)90-49:7×5=
90-7×5=
90-35=55
c)37+54:6×4=
37+9×4=
37+36=73
d)81:9+4×4=
9+16=25
e)81-27:3×9=
81-9×9=
81-81=0
Succes:-)