1 5 以内的加法运算 0 + 1 = 1+ 1 = 2 + 0 = 2 +1 = 1 + 2 = 0 + 3 = 3 +1 = 1 + 3 = 0 + 4 = 4 + 0 = 3 + 0 = 1 + 4 = 4 + 1 = 5 + 0 = 2 + 3 = 2 + 2 = 3 + 2 = 3 + 0 = 2 + 2 = 0 + 5 = 1 + 4 = 0 + 2 = 5 以内的减法运算 1 - 0 = 1 - 1 = 2 - 1 = 2 - 2 = 3 - 2 = 3 - 1 = 3 - 3 = 3 - 0 = 4 - 1 = 4 - 3 = 5 - 4 = 5 - 2 = 4 - 2 = 5 - 5 = 3 - 1 = 5 - 0 = 4 - 0 = 5 - 1 = 5 - 3 = 4 - 3 = 5 - 1 = 5 - 4 = 2 5 以内的加减法运算 1 + 2 = 1 – 0 = 3 - 1 = 3 + 1 = 2 + 2 = 4 – 1 = 3 – 3 = 4 + 0 = 1 + 3 = 1 + 1 = 4 + 1 = 3 – 2 = 4 – 3 = 1 + 2 = 2 + 1 = 5 – 1 = 5 – 0 = 3 + 2 = 2 + 3 = 4 – 2 = 5 – 2 = 5 – 5 = 一位数加 1 和减 1 1 + 1 = 2 + 1 = 2 – 1 = 4 – 1 = 3 + 1 = 5 + 1 = 9 – 1 = 7 – 1 = 5 + 1 = 6 + 1 = 6 – 1 = 3 – 1 = 4 + 1 = 8 + 1 = 8 – 1 = 5 – 1 = 9 + 1 = 7 + 1 = 5 – 1 = 8 – 1 = 5 + 1 = 7 + 1 = 3 一位数加 2 和减 2 1 + 2 = 3 + 2 = 4 – 2 = 3 – 2 = 4 + 2 = 5 + 2 = 5 – 2 = 6 – 2 = 4 + 2 = 3 + 2 = 7 – 2 = 8 – 2 = 5 + 2 = 2 + 2 = 2 – 2 = 4 – 2 = 6 + 2 = 5 + 2 = 9 – 2 = 5 – 2 = 7 + 2 = 8 + 2 = 计算 3 + 2 = 2 + 2 = 3 – 2 = 4 – 2 = 1 + 2 = 0 + 5 = 2 – 1 = 5 – 0 = 1 + 3 = 1 + 4 = 3 – 1 = 3 – 2 = 1 + 1 = 1 + 3 = 1 – 1 = 5 – 2 = 1 + 4 = 4 – 1 = 2 + 3 = 2 + 3 = 4 – 3 = 2 – 1 = 4 计算 2 + 2 = 1 + 3 = 3 + 2 = 5 – 0 = 2 + 3 = 5 – 4 = 5 – 1 = 4 – 3 = 1 + 4 = 5 – 5 = 5 – 5 = 3 + 1 = 4 + 1 = 2 + 3 = 5 + 0 = 5 – 3 = 2 + 3 = 4 + 1 = 5 – 2 = 5 – 4 = 5...
