Page 8 - sach toan
P. 8
L p 1 c a em
9 + 1 = 10 – 1 =
8 + 2 = 10 – 2 =
7 + 3 = 10 – 3 =
6 + 4 = 10 – 4 =
5 + 5 = 10 – 5 =
7
