5 + 3 = 4 + 6 = 3 + 4 = 2+ 7 = 5 + 3 = 8 4 + 6 = 10 3 + 4 = 7 2 + 7 = 9. - презентация

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4 5 + 3 = = = 2+ 7 =

5 5 + 3 = = = = 9

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7 6 – 3 = 8 – 5 = 9 – 4 = 5 – 4 = 7 – 2 =

8 6 – 3 = 3 8 – 5 =3 9 – 4 = 5 5 – 4 = 1 7 – 2 = 5

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14 7 и 8 6 и 3 2 и 9 10 и 9

15 7 < 8 6 > 3 2 < 9 10 > 9

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17 4 5 = = = = 6

18 4 + 5 = = 7 8 – 5 = 3 9 – 3 = 6

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