Răspunsuri

2014-10-18T00:18:33+03:00
A * b = 925
a * (b + 12) = 1225
a * b + 12a = 1225
925 + 12a = 1225
12a = 1225 - 925
12a = 300
a = 300 : 12
a = 25
25 * b = 925
b = 925 : 25
b = 37
Verificare:  25 * 37 = 925
37 + 12 = 49
25 * 49 = 1225  
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2014-10-18T08:05:14+03:00
A * b=925 
(a+12)*b=1225,
ab+12b=1225
925+12b=1225,12b=1225-925,12b=300,b=300:12;
b=25 inlocuim si obtinem:a*25=925
a=925:25
a=33