3.9×49+3.9用简便的。
答案:6 悬赏:10 手机版
解决时间 2021-11-12 18:50
- 提问者网友:贪了杯
- 2021-11-12 15:27
3.9×49+3.9用简便的。
最佳答案
- 五星知识达人网友:末日狂欢
- 2021-11-12 16:56
3.9*49+3.9
=3.9*49+3.9*1
=3.9*(49+1)
=3.9*50
=(4-0.1)*50
=4*50-0.1*50
=200-5
=195
=3.9*49+3.9*1
=3.9*(49+1)
=3.9*50
=(4-0.1)*50
=4*50-0.1*50
=200-5
=195
全部回答
- 1楼网友:舊物识亽
- 2021-11-12 19:44
供参考
- 2楼网友:玩家
- 2021-11-12 18:45
3.9*49+3.9
=3.9*(49+1)
=3.9*50
=195
=3.9*(49+1)
=3.9*50
=195
- 3楼网友:酒者煙囻
- 2021-11-12 18:19
解:3.9×49+3.9
=(49+1)x3.9
=50x3.9
=195
=(49+1)x3.9
=50x3.9
=195
- 4楼网友:不想翻身的咸鱼
- 2021-11-12 18:13
3.9×49+3.9
=3.9x(49+1)
=3.9x50
=195
=3.9x(49+1)
=3.9x50
=195
- 5楼网友:醉吻情书
- 2021-11-12 17:16
3.9×49+3.9
=3.9×(49+1)
=3.9×50
=195
=3.9×(49+1)
=3.9×50
=195
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