Question

直接写得数． 1 2 + 1 3 = 5 6 - 2 3 = 1- 6

直接写得数． 1 2 + 1 3 = 5 6 - 2 3 = 1- 6 13 = 7 12 + 1 6 = 1 3 + 3 8 = 3 4 + 3 4 =

Answer 1

1 2 + 1 3 = 5 6 ， 5 6 - 2 3 = 1 6 ， 1- 6 13 = 7 13 ， 7 12 + 1 6 = 3 4 ， 1 3 + 3 8 = 17 24 ， 3 4 + 3 4 = 3 2 ．