问题 填空题

小小数学家。根据提示填空。

(1) a pen → ¥10

(2) a book → ¥35

(3) a ruler → ¥8

(4) a pencil → ¥2

1. A pen and a book is ¥____________.

2. Two pens and a ruler is ¥____________.

答案

1. 45  2. 28

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