fact-family/add-sub-within-20-write-all · Zestaw 4

6 problems
1
Fact family for {14, 11, 25}: Write all 4 equations =
2
Fact family for {7, 4, 11}: Write all 4 equations =
3
Fact family for {12, 17, 29}: Write all 4 equations =
4
Fact family for {14, 14, 28}: Write all 2 equations =
5
Fact family for {17, 4, 21}: Write all 4 equations =
6
Fact family for {10, 5, 15}: Write all 4 equations =
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