凑十法算题9 + 9 = 109 + 8 = 109 + 7 = 109 + 6 = 109 + 5 = 10凑十法算题9 + 4 = 109 + 3 = 109 + 2 = 108 + 9 = 108 + 8 = 10凑十法算题8 + 7 = 108 + 6 = 108 + 5 = 108 + 4 = 108 + 3 = 10凑十法算题7 + 9 = 107 + 8 = 107 + 7 = 107 + 6 = 107 + 5 = 10凑十法算题7 + 4 = 107 + 3 = 106 + 9 = 106 + 8 = 106 + 7 = 10凑十法算题6 + 5 = 105 + 9 = 105 + 8 = 105 + 7 = 105 + 6 = 10
