一根钢管,如果截去它的40%后,还剩2.4米;如果截去它的13,还剩多少米?

2025-12-18 01:22:41
推荐回答(1个)
回答1:

2.4÷(1-40%)×(1-

1
3

=2.4÷0.6×
2
3

=4×
2
3

=
8
3
(米)
答:还剩
8
3
米.