Răspuns :
Cate nuci sunt in al treilea cosulet?
1872-745=1127 nuci
Cate nuci sunt in primul cosulet?
1872-1509=363 nuci
Cate nuci sunt in al doilea cosulet?
1509-1127=382 nuci
1872-745=1127 nuci
Cate nuci sunt in primul cosulet?
1872-1509=363 nuci
Cate nuci sunt in al doilea cosulet?
1509-1127=382 nuci
a+b+c=1872 de nuci in cele trei cosulete
a+b=745 nuci ( in primul si al doilea )
b+c=1509 nuci (in al doilea si al treilea)
745+c=1872
c=1872-745
c=1127 nuci in al treilea cosulet
a+1509=1872
a=1872-1509
a=363 nuci in primul cosulet
363+b=745
b=745-363
b=382 nuci in al doilea cosulet
V: 363+382+1127=1872
a+b=745 nuci ( in primul si al doilea )
b+c=1509 nuci (in al doilea si al treilea)
745+c=1872
c=1872-745
c=1127 nuci in al treilea cosulet
a+1509=1872
a=1872-1509
a=363 nuci in primul cosulet
363+b=745
b=745-363
b=382 nuci in al doilea cosulet
V: 363+382+1127=1872