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1)

1. 226 ÷ 2 = 113g

  1. 355 ÷ 2 = 177,5g
  2. 472 ÷ 2 = 236g
  3. 605 ÷ 2 = 302,5g
  4. 262 ÷ 2 = 131g
  5. 431 ÷ 2 = 215,5g

2)

1 kg 782 g = 1782g ; 1 kg 213 g = 1213g

1 kg 25 g = 1025g ; 1 390 g = 1 kg 390 g

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