fact-family/mixed-within-20-fill-blanks · セット 88
5 problems
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クラス:
日付：
1
Write the fact family for 18, 2, 20:
=
2
Write the fact family for 9, 9, 18:
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3
Write the fact family for 19, 1, 20:
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4
Write the fact family for 12, 6, 18:
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5
Write the fact family for 9, 3, 12:
=