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Afla catul împărțirilor prin scădere repetata a) 20:5 30:6 B) 21:3 56:7 c) 28:7 28:4

Răspuns :

  1. 20:5=4 20=5-5-5-5
  2. 30:6=5 30=6-6-6-6-6
  3. 21:3=7 21=3-3-3-3-3-3-3
  4. 56:7=8 56=7-7-7-7-7-7-7-7
  5. 28:7=4 28=7-7-7-7
  6. 28:4=7 28=4-4-4-4-4-4-4