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210:7+63:7=
(210+63):7=
19+20+105:5=


Răspuns :

a) 210:7+63:7=
=30+9=
=39

b) (219+63):7=
=273:7=
=39

c) 19+20+105:5=
=19+20+21=
=60

Sper ca te am ajutat. SUCCES