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关注：1
2013-05-23 12:21
求翻译：他的研究结果是：一至四年级的学生每周需有一至三项家庭作业，时间在45分钟左右；四至六年级的学生每周需有二至四项家庭作业，时间在60分钟到180分钟之间；是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
他的研究结果是：一至四年级的学生每周需有一至三项家庭作业，时间在45分钟左右；四至六年级的学生每周需有二至四项家庭作业，时间在60分钟到180分钟之间；
问题补充： |
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2013-05-23 12:21:38
His findings are: first to fourth grade students have one to three per week homework time in about 45 minutes; four to six grade students have two to four per week homework time in 60 minutes to 180 minutes between;
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2013-05-23 12:23:18
Results of his research are: 1 to 4 per week is required for students in grades 1 to 3 hours of homework, in about 45 minutes; 4 to 6 per week is required for students in grades 2 to 4, the homework time in between 60 minutes to 180 minutes;
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2013-05-23 12:24:58
正在翻译，请等待...
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2013-05-23 12:26:38
His research results: grade 1-4 students every week to one to three families of assignment, in about 45 minutes; 4-6 grade students require two to four per week homework, time between 60 and 180 minutes;
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2013-05-23 12:28:18
His findings are: first to fourth grade students have one to three per week homework time in about 45 minutes; four to six grade students have two to four per week homework time in 60 minutes to 180 minutes between;
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