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m. ( 9x99-99 impartit la 9)-(83-27 impartit la 9) x 10+2x35

Răspuns :

(99x9-99:9)-(83-27:9)x10+2x35

=(891-11)-(83-3)x10+70

=880-80x10+70

=880-800+70

=80+70

=150

(9•99-99:9)-(83-27:9)•10+2•35=

=(891-11)-(83-3)10+235=

=880-8010+235=

=880-800+70=

=80+70=

=150