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(891-513+150):6-71., 369:2(924:3-106x4. ,115+(736-192 :3

Răspuns :

a).(891-513+150):6-71=
     =(378+150):6-71=
     =528:6-71=88-71=
     =17.
b).392:3(924:3-106×4)=
    =392:3(308-424)=
    =392:3× -116=
    =130,2× -116=
    = -15103,2.
c).115+(736-192:3)=
    =115+(736-514)=
    =115+222=
    =337.
Cam asa am inteles din acele exercitii...