Arithmetic Grade Three
Lesson One hundred seventy-seven: Addition Hunt
Some ways to get 11:
4 + 7 = 11 1 + 10 = 11 6 + 5 = 11 3 + 8 = 11 10 + 1 = 11 8 + 3 = 11 9 + 2 = 11 7 + 4 = 11
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