Răspunsuri

2014-02-27T18:51:09+02:00
A+b=120
b=a-10
a+a-10=120
2a=130
a=130/2=65
b=a-10=65-10=55
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  • Utilizator Brainly
2014-02-27T19:06:53+02:00
1.I____I
2.I____I10I
Suma este 120 si aflam suma partilor egale .
120-10=110 
110:2=55 ( primul cos )
55+10=65 ( al doilea )
Verificare :  65+55=120   
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