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1)Calculati:

a)[(296+28)-157]3=


b) (884:4-135)+236=


c)535:5+123x4=


d) (930:10)+(930:10x4)


e) (147X2)+(147X2:3)=


(VA ROG E URGENT!!!!!!!!!!!!!!!!!!!!!)


Răspuns :

A) [296-28)-157]×3= (324-157)×3= 167×3=501
[(296+28)-157]×3=
= ( 324-175)×3
= 167×3
=501

( 884:4-135) + 236=
= (221-135)+236
= 86+236
= 322

535:5+123×4=
= 107+492
= 599