> 其他 >
7又4/25+2又3/4+1.25+0.84 12-4又17/50-0.66 (能简便就简便)
人气:319 ℃ 时间:2020-08-26 09:45:16
解答
7又4/25+2又3/4+1.25+0.84
=(7.16+0.84)+(2.75+1.25)
=8+4
=12
12-4又17/50-0.66
=12-4.34-0.66
=12-5
=7
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版