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1、20以内进位加法退位减法口诀表 20以内进位加法口诀表 9 + 2 = 8 + 3 = 7 + 4 = 6 + 5 = 5 + 6 = 4 + 7 = 3 + 8 = 2 + 9 = 11 9 + 3 = 11 8 + 4 = 11 7 + 5 = 11 6 + 6 = 11 5 + 7 = 11 4 + 8 = 11 3 + 9 = 11 12 9 + 4 = 12 8 + 5 = 12 7 + 6 = 12 6 + 7 = 12 5 + 8 = 12 4 + 9 = 12 13 9 + 5 = 13 8 + 6 = 13 7 + 7 = 13 6 + 8 = 13 5 + 9 = 13 1
2、4 9 + 6 = 14 8 + 7 = 14 7 + 8 = 14 6 + 9 = 14 15 9 + 7 = 15 8 + 8 = 15 7 + 9 = 15 16 9 + 8 = 16 8 + 9 = 16 17 9 + 9 = 17 18 20以内退位减法口诀表 11 - 9 = 11 - 8 = 11 - 7 = 11 - 6 = 11 - 5 = 11 - 4 = 11 - 3 = 11 - 2 = 2 12 - 9 = 3 12 - 8 = 4 12 - 7 = 5 12 - 6 = 6 12 - 5 = 7 12 - 4 = 8 12 - 3 = 9 3 13 - 9 = 4
3、13 - 8 = 5 13 - 7 = 6 13 - 6 = 7 13 - 5 = 8 13 - 4 = 9 4 14 - 9 = 5 14 - 8 = 6 14 - 7 = 7 14 - 6 = 8 14 - 5 = 9 5 15 - 9 = 6 15 - 8 = 7 15 - 7 = 8 15 - 6 = 9 6 16 - 9 = 7 16 - 8 = 8 16 - 7 = 9 7 17 - 9 = 8 17 - 8 = 9 8 18 - 9 = 9 9 202+9 119 129 139 149 159 169 179 189 3+9 3+8 118 128 138 148 158 168 178 以内进位加法退位减法口诀表 4+9 4+8 4+7 5+9 5+8 5+7 5+6 116 126 136 146 156 6+9 6+8 6+7 6+6 6+5 115 125 135 145 7+9 7+8 7+7 7+6 7+5 7+4 114 124 134 8+9 8+8 8+7 8+6 8+5 8+4 8+3 113 123 9+9 9+8 9+7 9+6 9+5 9+4 9+3 9+2 112 117 127 137 147 157 167
