2026 AMC 8 第 7 题
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所有题目均经美国数学协会（MAA）官方合法授权使用。
7.
Mika 想估计她的电动自行车充满电能骑多远。两次骑行一共骑了 英里。第一次用了 的电量，第二次用了 的电量。充满电大约可以骑多少英里？
Mika would like to estimate how far she can ride a new model of electric bike on a fully charged battery. She completed two trips totaling miles. The first trip used of the total battery power, while the second trip used of the total battery power. How many miles can this electric bike go on a fully charged battery?
小提示：
先把两次使用的电量分数相加。
Add the fractions of battery used on the two trips
大提示：
英里对应整块电池的 。
miles is of a full charge
视频讲解：
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文字解答：
两次骑行一共用了 的满电电量。因为 的续航是 英里，所以充满电可以骑 英里。
The two trips used of a full battery. Since of the range is miles, a full charge gives miles.
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