Răspuns :
d) = 175+350-25=500
e).=11825+15675=27500
43x275+57x275=275(43+57)=275x100=27500 (factor comun)
f).=21525+3321-12546=12300
sau: 175x123+27x123-102x123=123(175+27-102)=123x100=12300 (cu factor comun)
e).=11825+15675=27500
43x275+57x275=275(43+57)=275x100=27500 (factor comun)
f).=21525+3321-12546=12300
sau: 175x123+27x123-102x123=123(175+27-102)=123x100=12300 (cu factor comun)