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Matei5087
a fost răspuns

afla cele trei numere stiind ca I+II=66 II+III=53 I+III=93

Răspuns :

Notam I=a. II=b. III=c


a+b=66
b+c=53
a+c=93
————- (+)
2a+2b+2c= 212/:2

Raspuns: a+b+c= 106


Succes in continuare!:)
ZSmyk21

Notam I=a

Notam II=b

Notam III=c

Ecuatia 1 :a+b=66

Ecuatia 2 :b+c=53

Ecuatia 3 :a+c=93

Adunam cele 3 ecuatii:

2a+2b+2c=212

a+b+c=106

Aflam a:

106-53=53

Aflam b:

106-93=13

Aflam c:

106-66=40

Sper ca te-am ajutat!O zi frumoasa!


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