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.Va rog ex 3.... Dau coroana​

Va Rog Ex 3 Dau Coroana class=

Răspuns :

Răspuns:

a)101-[43-(11-8)+61]= 101-[43-3+61]= 101-101=0

b)[-12-(17-15)+4]+10= [-12-2+4]+10= -10+10= 0

c)-21+[-57-(-39+5-18)]+26= -21+[-57-(-52)]+26= -21+[-57+52]+26= -21+[-5]+26= -21-5+26= -26+26=0

d)-14-{-41-[-17+8-(15-9)]+27}+13= -14-{-41-[-17+8-6]+27}+13= -14-{-41-[-15]+27}+13= -14-{-41+15+27}+13= -14-{-19}+13= -14+19+13= 18