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va rog frumos =) =) =) =)) =))) ​

Va Rog Frumos class=

Răspuns :

a)4-0,31=3,69

b)[13,4+0,5-(147,8-125)]×10-13,41=

=(13,9-22,8)×10-13,41=

=-8,9×10-13,41=

=-89-13,41=

= 102,41