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Iustina28
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Calculati:1.2(3)+3.2(3)-4.4(6);
5.2(1)+6.2(1)-11.4(2)


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Răspuns :

Simonanahorne
a) 1,2(3)=123-12/90=101/90 3,2(3)=323-32/90=291/90*3= 4,4(6)=446-44/90=402/90 101+291-402/90=391-402/90=-11/90

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