133X29-33X20的简便方法
答案:6 悬赏:50 手机版
解决时间 2021-04-01 14:44
- 提问者网友:献世佛
- 2021-04-01 08:44
133X29-33X20的简便方法
最佳答案
- 五星知识达人网友:枭雄戏美人
- 2021-04-01 09:23
133X29-33X29的简便方法
=29×(133-33)
=29×100
=2900追问错了
=29×(133-33)
=29×100
=2900追问错了
全部回答
- 1楼网友:夜余生
- 2021-04-01 13:56
133X29-33X20
=100x29+33x29-33x20
=2900+33x(29-20)
=2900+33x9
=2900+297
=3197
=100x29+33x29-33x20
=2900+33x(29-20)
=2900+33x9
=2900+297
=3197
- 2楼网友:迷人又混蛋
- 2021-04-01 12:28
133X29-33X20的简便方法
=133x(20+9)-33x20
=133x20+133x9-33x20
=(133-33)x20+133x(10-1)
=100x20+133x10-133
=2000+1330-133
=3330-133
=3197
=133x(20+9)-33x20
=133x20+133x9-33x20
=(133-33)x20+133x(10-1)
=100x20+133x10-133
=2000+1330-133
=3330-133
=3197
- 3楼网友:独钓一江月
- 2021-04-01 12:09
133X29-33X20的简便方法
解:采用分配律,
原式=(100+33)x29-33x20
=100x29+33x29-33x20
=2900+33x(29-20)
=2900+33x9
=2900+297
=3197
解:采用分配律,
原式=(100+33)x29-33x20
=100x29+33x29-33x20
=2900+33x(29-20)
=2900+33x9
=2900+297
=3197
- 4楼网友:鸠书
- 2021-04-01 11:13
133X29-133X20
=133×(29-20)
=133×(10-1)
=1330-133
=1197
=133×(29-20)
=133×(10-1)
=1330-133
=1197
- 5楼网友:由着我着迷
- 2021-04-01 09:51
133X29-33X20的简便方法
=33×(29-20)+100×29
=297+2900
=3197
=33×(29-20)+100×29
=297+2900
=3197
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