> 数学 >
6
8
17
-(3.625-2
9
17
)-4
3
8
人气:207 ℃ 时间:2020-04-25 08:17:53
解答
6
8
17
(3.625− 2
9
17
−4
3
8

=6
8
17
+ 2
9
17
-3.625-4.375
=9-(3.625+4.375)
=9-8
=1.
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