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Exercise 1
- 1 + 7 + 7 =
- 2 + 8 + 8 =
- 4 + 7 + 7 =
- 6 + 7 + 7 =
- 3 + 8 + 7 =
- 5 + 7 + 8 =
- 8 + 8 + 7 =
- 10 + 7 + 7 =
- 5 + 7 + 8 =
- 7 + 8 + 7 =
- 1 + 7 + 8 =
- 3 + 7 + 7 =
- 9 + 8 + 7 =
- 5 + 8 + 7 =
- 2 + 7 + 7 =
- 1 + 7 + 7 =
- 6 + 7 + 8 =
- 3 + 7 + 7 =
- 8 + 8 + 8=
- 9 + 7 + 7 =
- 7 + 8 + 8=
- 1 + 7 + 7 =
- 3 + 8 + 8 =
- 9 + 8 + 8 =
- 8 + 7 + 7 =
- 10 + 8 + 7 =
- 5 + 7 + 8 =
- 7 + 7 + 7 =
- 2 + 8 + 8 =
Name: ________________________________Date: _____________________