练7.4梯形面积
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题目描述
在梯形中阴影部分面积是150平方厘米,求梯形面积。

输入格式
无
输出格式
输出梯形面积(保留两位小数)。
样例
无
无
1.17
- Status
- Done
- Rule
- OI
- Problem
- 16
- Start at
- 2026-1-17 10:00
- End at
- 2026-1-17 12:00
- Duration
- 2 hour(s)
- Host
- Partic.
- 0