3/(3*4)/(4*5)/(5*6)/(6*7)/(7*8)/(8*9)

来源：学生作业帮助网 编辑：作业帮 时间：2024/07/21 09:04:00
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3,4,5,6, 3 4 5 6 3,4,5,6, 3,4,5,6, 5/6:3/4 3,4,5,6, 3,4,5,6, 3 4 5 6 3,4,5,6, 3 4 5 6 3、4、5、6 5 3 4 6 3 4 5 6 3,4,5,6, 5+(-6)+3+6+(-4) (-5/4+5/6-3/2+11/4)/6/5 3 4 5 6题 3 4 5 6题 3 4 5 6题