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- 3根据数量关系填空:"苹果的重量比梨多5/2" ()*(1+5/2)=(); ()*5/2=()
- 4求三道数学题的完整解题答案
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- 6甲的存款是乙的5倍,如果甲取出60元,乙存入60元,那么乙的存款是甲的2倍.甲、乙原有存款各有多少元?
- 7一题有理数的题目,1+(1/2+1/4+1/8+1/16+1/32+1/64+1/128+1/256)=?怎么算?
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