许多有理数的计算题具有明显的特征,只要你能仔细观察,认真分析,大胆探索,总能发现其内在的规律,找到多种解法.例一杯牛奶,甲第一次喝了半杯,第二次喝了剩下的一半,就这样每次都喝了上一次剩下的一半.甲六次一共喝了多少牛奶?解答此题,只需把六次喝的牛奶加起来, Many rational numbers have obvious characteristics of calculation questions, as long as you can carefully observe, careful analysis, bold exploration, always find its inherent laws, to find a variety of solutions. For example, a glass of milk, a first half a cup of drink, the second Drank the rest of the time, so every time I drank the last half .A total of six times to drink a lot of milk? Answer this question, just six times to add milk to drink,