fact-family/add-sub-within-20/medium · セット 12
5 problems
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クラス:
日付：
1
Write the fact family for 3, 10, 30:
=
2
Write the fact family for 6, 5, 30:
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3
Write the fact family for 18, 2, 20:
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4
Write the fact family for 2, 10, 20:
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5
Write the fact family for 12, 3, 36:
=