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ашық сабақ

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  • (28.88+35.8):28=
    2.31
  • (7.13+9.25):13=
    1.26
  • (4.23-2.34):21=
    0.09
  • (50-8.6):92=
    0.45
  • +10
    +10
  • +20
    +20
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