Question

妈妈买来面粉和大米各15kg，共付了102.6元。面粉每千克3.7元，大米每千克多少元？

Answer 1

15×3.7就是面粉的钱是55.5元，102.6-55.5=47.1（大米的钱），47.1÷15=3.14KG

Answer 2

（1）这种问题应该是小学问题吧，拿出来问真的是不会吗？
（2）不过还是作出回答吧，可能真的是有疑问，
根据题意有：(102.6-3.7*15)/15=3.14 元

Answer 3

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Answer 4

(102.6-3.7*15)/15=3.14