小小数学家.根据提示填空.(1) a pen → ￥10(2) a b

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 ￥____________.

试题答案

1. 45 2. 28