Răspuns :
1 nr /-------/
2nr /-------/-------/
3nr /-------/+37
suma 261
egalizam segmentele
261-37=4segmente
224=4segmente
1segment=56
1nr =56
2nr=56x2=112
3nr =56+37=93
a+b+c=261
a+(2xa)+(a+37)=261
a+a+a+a+37=261
a+a+a+a=261-37
a+a+a+a=224
a=224:4
a=56
b=2xa
b=56x2
b=112
c=a+37
c=56+37
c=93
cu segmente:
a ____
b ____ ____
c ____ 37
1. Egalam segmentele.
261-37=224
2.Aflam a
224:4=56
3.Aflam b
56x2=112
4.Aflam c
56+37=93
a+(2xa)+(a+37)=261
a+a+a+a+37=261
a+a+a+a=261-37
a+a+a+a=224
a=224:4
a=56
b=2xa
b=56x2
b=112
c=a+37
c=56+37
c=93
cu segmente:
a ____
b ____ ____
c ____ 37
1. Egalam segmentele.
261-37=224
2.Aflam a
224:4=56
3.Aflam b
56x2=112
4.Aflam c
56+37=93