3/(34)/(45)/(56)/(67)/(78)/(89)

来源：学生作业帮助网编辑：作业帮时间：2024/04/30 18:51:31

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

3/(3*4)/(4*5)/(5*6)/(6*7)/(7*8)/(8*9)
是3÷(3*4)÷(4*5)÷(5*6)÷(6*7)÷(7*8)÷(8*9) 吗
分子或者分母加上综括号,否则不知道哪个是分子那个是分母啊

算一下就好了啦

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