1.83*0.17+0.83*0.83用简便方法计算
答案:3 悬赏:80
解决时间 2021-02-23 09:23
- 提问者网友：空白
- 2021-02-23 04:42
1.83*0.17+0.83*0.83用简便方法计算
最佳答案
- 二级知识专家网友：哥在撩妹请勿打扰
- 2021-02-23 05:25
1.83×0.17+0.83×0.83
=（1+0.83）×0.17+0.83×0.83
=0.17+0.83×0.17+0.83×0.83
=0.17+0.83×（0.17+0.83）
=0.17+0.83
=1
=（1+0.83）×0.17+0.83×0.83
=0.17+0.83×0.17+0.83×0.83
=0.17+0.83×（0.17+0.83）
=0.17+0.83
=1
全部回答
- 1楼网友：不服输就别哭
- 2021-02-23 07:06
13.83-（9.56-6.17）-3.44 =13.83-9.56 6.17-3.44 =(13.83 6.17)-(9.56-3.44) =20-13 =7
- 2楼网友：夢想黑洞
- 2021-02-23 06:23
1.83=1+0.83
0.17+0.83*0.17+0.83*0.83
=0.17+0.83*（0.17+0.83）
=0.17+0.83*1
=1
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