Պարապմունք 44

mariannakhachatryaniblog

1․ 35+5+798=838

2. 357+13+48=418

3. 59+(723+17)=799

4. 596+(488+12)=1096

  1. 8+(-35)=-35+(8)
  2. -13+49=49+(-13)
  3. -17+(-23)=-23+(-17)
  1. 56+(-16+7)=(56+(-16))+7
  2. (-52+17)+(-9)=(17+(-52))+9
  3. -13+(-8+25)=(13+(-8))+25

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