Răspunsuri

2014-06-13T20:56:37+03:00
A-b=1858
a=42b+13
42b+13-b=1858
41b=1845
b=45
a=1858+45=1903

42.3+10=136
42.4+10=178
42.5+10=220
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.42.23+10=976
23-3=20 numere