Calculati folosind metoda factorului comun
a)3ori7+3ori13=
b)33ori117+33ori=
c)201ori327-201ori307+201ori23=
d)217ori407-217ori397-217=
e)1725ori707+324ori707-321ori707=
f)(111+222+333+444)inpartit la 111=


















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Răspunsuri

Cel mai inteligent răspuns!
2014-11-08T13:12:32+02:00
A)3(7+13)=3 ori 20=60
b)33(177+1)=33 ori 178=5874
c)201(327-307+23)=201 ori 43=8643
d)217(407-397-1)=217 ori 9=1953
e)707(1725+324-321)=707 ori 1728=1221696
f)nu stiu
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