fact-family/mixed-within-20-fill-blanks · セット 92
5 problems
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クラス:
日付：
1
Write the fact family for 12, 8, 20:
=
2
Write the fact family for 12, 4, 16:
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3
Write the fact family for 18, 1, 19:
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4
Write the fact family for 9, 7, 16:
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5
Write the fact family for 16, 3, 19:
=