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三年级数学下册六《认识分数》比大小精炼1（无答案）北师大版.doc

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1比大小1看图写分数，比大小。2先涂色，再比大小。3在“”里填上“” “二”或“” 。56 7 1 517 49 712 6 0 81 564有一个生日蛋糕，是 7个人平均分每人吃得多，还是 8个人平均分每人吃得多?5裁三张长方形纸，分别对折 1次、2 次、3 次，各取一份。(1)把你得到的分数从小到大写在下面。2(2)如果再取一张纸对折 4次，取一份，能得到的分数是几?你发现了什么规律?写出来。

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