Question 1207736
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(1) If she divided her cards among her 10 great-great-grandchildren, there would be 6 cards left over.
The number of cards can be 6, 16, 26, 36, 46, ...<br>
(2) If she divided her cards among her 7 great-grandchildren, there would be 5 cards left over.
The number of cards can be 26, 96, 166, 236, ...<br>
(3) If she divided her cards among her 3 grandchildren, there would be 2 cards left over.
The number of cards can be 26, 236, 446, ...<br>
(4) If she divided her cards among her 3 grandchildren, there would be 2 cards left over.
This is already taken care of by (1).<br>
ANSWER: 26<br>