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Calculati: axb+cxd, daca: a=bx5;b=d:2;c=dx2;d=7x8

Răspuns :

d=7x8=56
b=56:2
b=28
a=28x5
a=140
c=56x2
c=112
axb+cxd
140x28+112x56=3920+6272=10192