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a fost răspuns

afla numerele necunoscute:a)72:a=9 b)b:3=28 c)(45+19):c=8

Răspuns :

a=72:9=8

b=28x3=84

64:c=8=>c=64:8=8
CurrerBell
72:a=9
a=72:9
a=8
72:8=9

b:3=28
b=28x3
b=84
84:3=28

(45+19):c=8
64:c=8
c=64:8
c=8
(45+19):8=8