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每包盐 1.5 元,妈妈买盐的包数和付的钱数成反比例关系

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答案:

错误

本题解析:

判断买盐的包数和用的钱数之间成什么比例,就看这两个量是对应的比值一定,还是对应的乘积一定;如果是比值一定,就成正比例;如果是乘积一定,则成反比例

更新时间:2022-04-04 11:06

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