fact-family/mul-div-within-20-fill-blanks · 세트 37

5 problems
1
Write the fact family for 4, 1, 5: =
2
Write the fact family for 10, 5, 15: =
3
Write the fact family for 17, 3, 20: =
4
Write the fact family for 19, 1, 20: =
5
Write the fact family for 15, 1, 16: =
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