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Када су

100. 20. 60. 40. Када су. збир и разлика. тачно десетица. (. ). 37. +. 3. =. 30. +. 7. +. 3. =. 30. +. 10. =. 40. _ + ( _ + _ ) = _ + _ = _. 30. 8. 2. 30. 10. 40. 38. +2. =. 57+3. 57+3. 61+9. 61+9. 43+7. 43+7. 85+5. 85+5. 32+8.

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Када су

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  1. 100 20 60 40 Када су збир и разлика тачно десетица

  2. ( ) 37 + 3 = 30 + 7 + 3 = 30 + 10 = 40

  3. _ + ( _ + _ ) = _ + _ = _ 30 8 2 30 10 40 38 +2 =

  4. 57+3 57+3 61+9 61+9 43+7 43+7 85+5 85+5 32+8 32+8 Израчунај и парове обој истом бојом : 40 50 90 70 60

  5. - 4 3 4 30 =

  6. Парове обој истом бојом : 80 30 90 40 50 70 59 - 9 59 - 9 76 - 6 76 - 6 83 - 3 83 - 3 45 - 5 45 - 5 98-8 98-8 37 - 7 37 - 7

  7. 35 94 56 42 УМАЊЕНИК 2 6 5 4 УМАЊИЛАЦ РАЗЛИКА ПРВИ САБИРАК 66 32 78 93 ДРУГИ САБИРАК 4 8 2 7 ЗБИР Попуни таблице : 30 90 50 40 70 40 80 100

  8. 1+ _ _- 8 95 -_ 90 81+_ _+6 _ - 6 97-_ _+ 90 _+ 73 _-3 84-_ 80 80+_ 72+_ 79+_ _-6 _+ 5 98 5 89 9 84 7 96 0 ДОПУНИ 7 83 4 0 8 75 1 86

  9. 70+ _ _+3 _+64 70 _ - 6 78-_ 4+_ 65 +_ 79- _ _ -8 _-5 41+_ 50 57-_ _-2 50+_ _ -9 54-_ 67 0 6 8 76 58 5 55 66 9 9 7 52 4 59 0

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