题目

I think math is________. I like it very much.A. interesting B. boringC. small D. difficult 答案：【答案】A【解析】句意：我认为数学是有趣的，我非常喜欢它。A. interesting有趣的；B. boring无聊的；C. small小的；D. difficult困难的；根据I like it very much.可知是有趣的；故选A用下面的数写出所有学过的减法算式。35 20 45 25 55□－□＝□□－□＝□