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Alexiay
a fost răspuns


Afla nr necunoscute:
A+75+75:5=115
300-b×8-109=47
(48×c+216):40=27
Coronita !!Repede!!☺☆

Răspuns :

Pufycriss
A+75+75:5=115
A+75+15=115
A+90=115
A=115-90
A=25

300-8b-109=47|+109
300-8b=156
8b=300-156
8b=144|:8
b=18

(48c+216):40=27|×40
48c+216=1080|-216
48c=864|:48
c=18