20以内加减法100道题 11 - 6 = 17 - 1 = 11 + 6 = 19 - 17 = 14 + 6 = 10 + 9 = 15 - 3 = 12 - 2 = 15 - 13 = 7 + 10 = 13 + 5 = 15 - 12 = ·············································· 9 + 2 = 14 - 3 = 6 + 7 = 1 + 11 = 10 - 4 = 2 + 9 = 14 + 4 = 15 - 3 = 17 - 9 = 12 - 1 = 15 + 1 = 5 + 9 = 14 + 3 = 12 - 9 = 10 - 5 = 19 - 15 = 5 + 8 = ·············································· 16 - 10 = 18 - 13 = 6 + 11 = 15 - 4 = 11 - 6 = 11 - 9 = 10 + 5 = ·············································· 16 - 13 = 17 - 15 = 5 + 6 = 11 + 8 = 8 + 8 = 17 + 3 = ·············································· ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ ·············································· ·············································· ·············································· ·············································· 19 - 10 = 9 + 6 = 3 + 10 = 18 - 11 = 19 - 5 = ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ ·············································· 13 - 12 = ·············································· 18 - 11 = 12 - 11 = 12 - 2 = 1 + 14 = 13 - 3 = 14 + 3 = 17 + 3 = 15 - 13 = 18 - 11 = 17 - 8 = 19 - 14 = 19 - 15 = 13 + 1 = 15 - 1 = 1 + 15 = 7 + 8 = 8 + 12 = 7 + 4 = 3 + 11 = 6 + 7 = 12 + 7 = 2 + 11 = 12 - 2 = 3 + 8 = 19 - 5 = 14 + 1 = 1 + 11 = 12 - 11 = 1 + 15 = 12 + 5 = 3 + 10 = ·············································· 19 - 14 = 13 + 7 = 13 - 8 = ·············································· ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ ·············································· 16 - 12 = 6 + 5 = 13 - 1 = 12 - 11 = 8 + 7 = 19 - 5 = 9 + 8 = ·············································· ·············································· ·············································· 19 - 13 = 13 - 3 = ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ 18 - 10 = 10 + 6 = 6 + 12 = ·············································· 19 - 10 = 9 + 11 = 4 + 12 = ·············································· ·············································· 19 - 12 = 18 - 9 = ·············································· 14 - 11 = ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ 本文来源：https://www.wddqw.com/doc/1fc0a9c91b2e453610661ed9ad51f01dc3815783.html