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一分为二至少用多少根火柴才能将下面的图形分成大小、形状相同的两部分?化西为东这是一只头朝向西方的小猪。请你移动两根火柴,使小猪的头朝向东方。火柴方阵你能将下图中的火柴方阵摆成5个一样大的正方形吗?火柴三角取走菱形火柴阵中的哪4根火柴,就能使三角形的数量变成4个?
Divided into two at least with a few matches to the following graphics can be divided into two parts of the same size and shape? West for the East This is a head toward the West piggy. Please move two matches so that the pig's head is facing east. Can you put the matchbox in the figure below into five equal squares? Which triangle in the match triangle can be taken by four matches?