Răspuns :
a-b=360
a=7xb , a=7b
7b-b=360
6b=360
b=360:6
b=60
a=7b
a=60x7
a=420
P:420-60=360 (A)
a=7xb , a=7b
7b-b=360
6b=360
b=360:6
b=60
a=7b
a=60x7
a=420
P:420-60=360 (A)
a:7=b
a-b=360
a |—|—|—|—|—|—|—|
b |—|
7p-1p=6p(360)
360=6p
360:6=60(o parte) (b)
60•7=420(a)
v:420:7=60
420-60=360
a-b=360
a |—|—|—|—|—|—|—|
b |—|
7p-1p=6p(360)
360=6p
360:6=60(o parte) (b)
60•7=420(a)
v:420:7=60
420-60=360