上面三行設的你應該看得懂吧?
題目有說平均,第一個人套5次2X分,所以套一次就是2X要除5,代表套一次的分數=平均,第二個人也是一樣的算法要這樣寫是因為除了依題目列式還要寫出一個有等號的式子不然你解不出答案
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上面三行設的你應該看得懂吧?
題目有說平均,第一個人套5次2X分,所以套一次就是2X要除5,代表套一次的分數=平均,第二個人也是一樣的算法要這樣寫是因為除了依題目列式還要寫出一個有等號的式子不然你解不出答案
Users viewing this question
are also looking at these questions 😉