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Mathematics, 04.01.2020 05:31 jacobrobles755

1) x-2,18mai mic sau egal3,82

2) x-13,4=9,06 2,3orix=3,45 x-1,5=7,3

3) media aritmetica a doua nr este =4,6
a=5,5 b=?

4) a+b=37
a=2,5+2b
a=?
b=?

5)a+b+c: 3=2,8
a+b: 2=3,5
c=?

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1) x-2,18mai mic sau egal3,82

2) x-13,4=9,06 2,3orix=3,45 x-1,5=7,3

3) media...
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