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教学“小数学点搬家”(北师大版数学四下40页),当学生看了山羊快餐店的三次价格变化后,我问学生,你们有什么问题?
Teaching “Mathematica point to move ” (Beijing Normal University version of mathematics four under 40), when the students read the goat fast food restaurant price changes three times, I asked the students, what are your problems?