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Ofer 50 de puncte rapid​

Ofer 50 De Puncte Rapid class=

Răspuns :

》a+a+a+a+a= 5a

》m×m×m×m×m= m⁵

》13×23+37×13= 299+481= 780

》(45-12)×3 = 33×3= 99

》34105-2716= 31389

》312+208= 520

》150150-150×[17²-(13²+4³)]=

=150150-150×[17²-(169+64)]=

=150150-150×(289-100)=

=150150-150×189=

=150150-28350=121800