stefistefi stefistefi

03-03-2017
Mathematics

contestada

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=?

Respuesta :

puppydog1 puppydog1

06-04-2017

I have no ideaaaaaaaaaa

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