题目内容
【题目】43 + 5 = 55 + 4 = 67 + 2 = 3 + 62 =
43 +50 = 55 +40 = 67 +20 = 30 +62 =
87 – 60 = 68 – 30 = 45 – 40 = 56 – 20 =
87 – 6 = 68 – 3 = 45 – 4 = 56 – 2 =
【答案】48; 59; 69; 65;
93; 95; 87; 92;
27; 38; 5; 36;
81; 65; 41; 54
【解析】
略
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