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进、?1 Jane is four years old.Her brother is three times as old as Jane..How old will Mark be when he is twice as old as Jane?
题目详情
进、?1 Jane is four years old.Her brother is three times as old as Jane..
How old will Mark be when he is twice as old as Jane?
How old will Mark be when he is twice as old as Jane?
▼优质解答
答案和解析
4 / 12
4+4 / 12+4
Mark will be sixteen when he is twice as old as Jane
4+4 / 12+4
Mark will be sixteen when he is twice as old as Jane
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