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Ex 13 plz rpd Dau 20 puncte

Ex 13 Plz Rpd Dau 20 Puncte class=

Răspuns :

Răspuns:

a)-52:(19-32)-2×[18+44:(-11)]=

=-52:(-13)-2×(18-4)=

=4-2×14=

=4-28=

=-24

b)[25-24:(11-14)]×[-9+8:(27-35)]=

=[25-24:(-3)]×[-9+8:(-8)]=

=(25+8)×(-9-1)=

=33×(-10)=

=-330

succes! :)