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Calculeaza,efectuind mai intai impartirile.(27-18):3,(20-4):4,(72-27):9,(18-6-4):2


Răspuns :

(27-18):3=
=9:3=
=3
(20-4):4=
=16:4=
=4
(72-27):9=
=45:9=
=5
(18-6-4):2=
=(12-4):2=
=8:2=
=4
(27-18)÷3=
=9÷3
=3
(20-4)÷4=
=16÷4
=4
(72-27)÷9
=45÷9
=5
(18-6-4)÷2=
=(12-4)÷2
=8÷2
=4
Sper ca te-am ajutat!