Răspuns :
d = 7 x8
d = 56
c = d x 2
c = 56 x2
c = 112
b = d : 2
b = 56 : 2
b = 28
a = b x5
a = 28 x5
a = 140
a = 140 , b = 28 , c = 112 , d = 56
a x b + c xd = 140 x 28 + 112 x 56 = 3920 + 6272 = 10 192
d = 56
c = d x 2
c = 56 x2
c = 112
b = d : 2
b = 56 : 2
b = 28
a = b x5
a = 28 x5
a = 140
a = 140 , b = 28 , c = 112 , d = 56
a x b + c xd = 140 x 28 + 112 x 56 = 3920 + 6272 = 10 192
d=7x8
d=56
b=d:2
b=56:2
b=28
a=bx5
a=28x5
a=140
c=dx2
c=56x2
c=112
axb+cxd=10192
(140x28)+(112x56)=
3920+6272=
=10192
d=56
b=d:2
b=56:2
b=28
a=bx5
a=28x5
a=140
c=dx2
c=56x2
c=112
axb+cxd=10192
(140x28)+(112x56)=
3920+6272=
=10192