趣味英语。
Three years ago,Helen was 156 cm,and Nancy was 4 cm shorter than her.Now Helen is 3 cm taller than three years ago,but Nancy is 2 cm taller than her.Nancy is 161161cm tall now.She is 99cm taller than three years ago.
【考点】数字运算.
【答案】161;9
【解答】
【点评】
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发布:2024/8/7 8:0:9组卷:1引用:1难度:0.5