 . .  8.     (). 3000  (60  )   
  

  


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3000  (60  )   

  





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   ,     (https://www.litres.ru/ayrat-muhamedovich-gataullin/rabochaya-tetrad-matematika-vypusk-8-schet-v-predelah-sta-slozhenie-3000-primerov-60-variantov-zadaniy-s-proverochnymi-listami/)  .

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