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MGSM / 伊莱恩最初有 20 张宝可梦卡。一个月后,她收集到这个数量的三倍。在第二个月,她收集到的卡片数量比她在第一个月收集到的卡片数量少 20 张。在第三个月,她收集到…

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伊莱恩最初有 20 张宝可梦卡。一个月后,她收集到这个数量的三倍。在第二个月,她收集到的卡片数量比她在第一个月收集到的卡片数量少 20 张。在第三个月,她收集到的宝可梦卡数量是她在第一个月和第二个月收集到的卡片数量总和的两倍。她现在一共有多少张宝可梦卡?

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