94. Πρόσθεση και αφαίρεση διψήφιοι και μονοψήφιοι

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    10-Aug-2015

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<ol><li> 1. 10 - 5 = 5 5 + 5 = 10 12 - 6 = 14 - 7 = 16 - 8 = 18 - 9 = 20 - 10 = . . 3 4 34 43 2 3 32 23 2 1 21 12 4 2 42 24 </li><li> 2. . 12 - 7 = ____ 13 - 6 = ____ 15 - 8 = ____ 17 - 9 = ____ 11 - 9 = ____ 12 - 8 = ____ 11 - 7 = ____ 13 - 9 = ____ 14 - 6 = ____ 15 - 9 = ____ 14 - 8 = ____ 16 - 7 = ____ </li></ol>