【例3.1】输出表达式的值

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	AAA懒大王	1ms	288 KiB	C	108 Bytes	2024-10-20 21:56:24
AC	lyt	1ms	256 KiB	C	111 Bytes	2025-6-26 11:34:28
AC	Weiyi_Hobe	1ms	288 KiB	C	84 Bytes	2024-11-4 23:24:53
AC	陈浩彬	1ms	288 KiB	C	86 Bytes	2024-10-3 8:51:04
AC	李佳妤	1ms	288 KiB	C	119 Bytes	2024-10-25 15:16:27
AC	冯文正	1ms	288 KiB	C	87 Bytes	2024-10-5 13:35:48
AC	曦大王	1ms	288 KiB	C	78 Bytes	2024-10-24 22:01:25
AC	秦颖蕾	1ms	324 KiB	C	92 Bytes	2024-10-30 15:37:45
AC	qzh	1ms	288 KiB	C	82 Bytes	2024-10-24 22:29:14
AC	3149991033	1ms	320 KiB	C	146 Bytes	2024-10-3 8:47:01
AC	郑式	1ms	324 KiB	C	115 Bytes	2024-9-20 23:09:03
AC	小灰灰	1ms	324 KiB	C	107 Bytes	2024-10-31 22:57:55
AC	张莉霞	1ms	288 KiB	C	78 Bytes	2024-10-16 20:22:33
AC	yin	1ms	324 KiB	C	117 Bytes	2025-1-4 19:49:56
AC	王越	1ms	324 KiB	C	85 Bytes	2024-12-28 17:59:27
AC	石雅妮	1ms	288 KiB	C	83 Bytes	2024-10-15 11:05:01
AC	摆渡	1ms	516 KiB	C	80 Bytes	2025-3-4 17:46:53
AC	李一飞	1ms	324 KiB	C	90 Bytes	2024-10-12 20:30:20
AC	Joe	1ms	288 KiB	C	128 Bytes	2024-10-17 19:25:16
AC	3468822507	3ms	536 KiB	C++98	109 Bytes	2024-9-21 13:09:41
AC	二硫碘化钾	34ms	3.9 MiB	Python 3	30 Bytes	2024-10-22 23:37:09