fact-family/add-sub-within-20/expert · セット 70
6 problems
名前：
クラス:
日付：
1
Write the fact family for 1, 5, 6:
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2
Write the fact family for 12, 10, 120:
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3
Write the fact family for 15, 3, 18:
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4
Write the fact family for 13, 7, 20:
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5
Write the fact family for 14, 1, 15:
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6
Write the fact family for 12, 7, 84:
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