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  • 28-12-2020
  • Mathematics
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plss answer it is so important ​

plss answer it is so important class=

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Аноним Аноним
  • 28-12-2020

Answer:

1. (100-5) × (100+3) = 10000 + 300 - 500 - 15

=> 10300 - 515 = 9785

2. (500+1) × (500+2) = 250000 + 1000 + 500 + 2

=> 251502

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