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A+25=68 a=? 38+b=69 b=? C-36=42 c=? 79-d=25 d=?

Răspuns :

A+25=68=>a=?
a=68-25
a=43

38+b=39=>b=?
b=39-38
b=1

C-36=42=>c=?
c=42+36
c=78

79-d=25 =>d=?
d=79-25
d=54

Sper că te-am ajutat . Coroana ?
a+25=68 <=> a=68-25 => a=43

38+b=69 <=> b=69-38 <=> b=31

c-36=42 <=> c=42+36 <=> c=78

79-d=25 <=> d=79-25 <=> d=54