1个1个拿正好拿完9个9个拿正好拿完(1个1个拿鸡蛋答案是441)
有一筐鸡蛋!1个1个拿,正好拿完至9个9个正好,这筐一共多少?1、一筐鸡蛋:1个1个拿,正好拿完。2个2个拿,还剩1个。3个3个拿,正好拿完。4个4个拿,还剩1个。5个5个拿,还剩4个。6个6个拿,还剩3个。7个7个拿,正好拿完。8个8个拿...
有一筐鸡蛋!1个1个拿,正好拿完至9个9个正好,这筐一共多少?1、一筐鸡蛋:1个1个拿,正好拿完。2个2个拿,还剩1个。3个3个拿,正好拿完。4个4个拿,还剩1个。5个5个拿,还剩4个。6个6个拿,还剩3个。7个7个拿,正好拿完。8个8个拿...