3/4-1/3＋1/6
答案:1 悬赏:80 手机版
解决时间 2021-03-22 16:45
- 提问者网友：火车头
- 2021-03-22 12:22
3/4-1/3＋1/6
最佳答案
- 五星知识达人网友：独行浪子会拥风
- 2021-03-22 12:53
3/4-1/3＋1/6
=3/4+1/6-1/3
=18/24+4/24-1/3
=22/24-1/3
=11/12-1/3
=11/12-4/12
=7/12
或
3/4-1/3＋1/6
=9/12-4/12+1/6
=5/12+1/6
=5/12+2/12
=7/12
解题关键点：同分母分数相加减。
=3/4+1/6-1/3
=18/24+4/24-1/3
=22/24-1/3
=11/12-1/3
=11/12-4/12
=7/12
或
3/4-1/3＋1/6
=9/12-4/12+1/6
=5/12+1/6
=5/12+2/12
=7/12
解题关键点：同分母分数相加减。
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