1+1=, 2, 3, 1, 2+2=, 3, 2, 4, 1+2=, 2, 3, 1, 5+5=, 10, 5, 9, 1+4=, 5, 4, 6, 7+3=, 8, 9, 10, 7, 6+5=, 12, 11, 13, 10, 2+8=, 13, 11, 10, 12, 10+5=, 15, 14, 13, 12, 11+4= 12+2=, 15, 14, 13, 12.

Math

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