(36.5+36.7+36.9……+39.9)-(36.6+36.8+37+……+39.8)
答案:2 悬赏:60 手机版
解决时间 2021-02-15 10:03
- 提问者网友：趣果有间
- 2021-02-14 22:35
(36.5+36.7+36.9……+39.9)-(36.6+36.8+37+……+39.8)
最佳答案
- 五星知识达人网友：duile
- 2021-02-15 00:10
(36.5+36.7+36.9……+39.9)-(36.6+36.8+37+……+39.8)
=(36.5-36.6)+(36.7-36.8)+...+(39.7-39.8) + 39.9
=-0.1x33 + 39.9
=-3.3+39.9
=36.6
=(36.5-36.6)+(36.7-36.8)+...+(39.7-39.8) + 39.9
=-0.1x33 + 39.9
=-3.3+39.9
=36.6
全部回答
- 1楼网友：玩家
- 2021-02-15 00:57
(36.5+36.7+36.9……+39.9)-(36.6+36.8+37+……+39.8)
=36.5+（36.7-36.6）+（36.9-36.8）+.......+（39.9-39.8）
=36.5+0.1X(39.9-36.5)÷0.1÷2
=36.5+0.1X3.4÷0.2
=36.5+1.7
=38.2
=36.5+（36.7-36.6）+（36.9-36.8）+.......+（39.9-39.8）
=36.5+0.1X(39.9-36.5)÷0.1÷2
=36.5+0.1X3.4÷0.2
=36.5+1.7
=38.2
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