Răspuns :
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(-20+13-43-50)•(85-194)=
-100•(-109)=10900
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Raspuns: 10900
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( - 20 + 13 - 43 - 50 ) × ( 85 - 194 ) =
= ( - 7 - 43 - 50 ) × - 109 =
= ( - 50 - 50 ) × - 109 =
= - 100 × - 109 =
= + 10 900.