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最佳答案:解题思路:把整个蛋糕看成单位“1”,蛋糕的[2/5]平均分给爸爸、妈妈,那么爸爸、妈妈各分到了这个蛋糕的[1/5];还剩下了这个蛋糕的(1-[2/5]),再除以
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最佳答案:解题思路:此题可用假设法来解答,假设二人都取出自己存款的[2/5],那么共取出2200×[2/5]=880(元),剩余2200-880=1320(元),少了13
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最佳答案:如图先分为3个正三角形(具体自己想想),在做三角形高线把它一分为二~
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最佳答案:1. these boys' bags 2. that woman's hat 3.those women's hats 4. my sister's penc
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最佳答案:翻译:1.My mother is reading magazines.2.I'm going to the cinama with my friends.3.
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最佳答案:1.My mom was afraid of darkness before.2.We once were good friends.3.He didn't l
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最佳答案:The story took place in modern society,a five-person family.Parents are scientis
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最佳答案:My birthday is on 5th February. On my every birthday my parents will buy me a bi