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好题：一周想写75个字，前三天写了30个，后4天还要写几个？
打算一周写75个字，前三天写了30个，剩下4天还要写几个？
一年级下册数学《应用题》，期末考试必备37/46
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App01:49打算一周写75个字，前三天写了30个，剩下4天还要写几个？
App00:53App01:01App01:36App01:07App00:56App01:30App01:56App02:13App00:50App01:44App01:49
