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Մաթեմատիկա․ 21․05․2021թ․

21․05․2021թ․

Վարժ 1

356+427=783

ա) 237+445=682

524+248=772

434+438=812

525+345=870

Վարժ 2

749>746

508<526

733>722

Վարժ 3

ա) 4.(275-272)=12     9.5+54:6=54      5.8+243-121=162

  1. 275-272=3 1. 9.5=45            1. 5.8=40
  2. 4.3=12 2. 54:6=9 2. 40+243=283
  3. 9+45=54         3. 283-121=162

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