lilrussia488 lilrussia488
  • 25-10-2018
  • Mathematics
contestada

please solve 1,2,3,4,5,6,13,14,18 and 21

please solve 123456131418 and 21 class=

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taibathebest taibathebest
  • 25-10-2018
o.o that so hard but my big sister know how to do it
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Аноним Аноним
  • 25-10-2018
1: x=30
2: n=36
3:y=50
4: w= -21
5: q=-80
6:x=-40
13:x=170
14:y=-54
18:v=-60
21:n=144
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