Question

a+b=790
a=b+136
a=?
b=?

DAU COROANAAAAAAAA

a+b=1290
a=b+180



a+b=3690
a=bx44

a+b+c=1489
a=bx3
c=b+15

Answer 1

Răspuns:

ex 1

790-136=654

654:2=327(b)

327+146=473(a)

ex2

1290-180=1110

1110:2=555(b)

555+180=735(a)

ex3

metoda grafică

44+1=45(părți egale cu b)

3690:45=

3690:45=82(b)

82x44=3308(a)