999999999999999+865646456
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
=91-999999999999999
=-999999999999908
-----------------Hok tốt-----------------
![](https://rs.olm.vn/images/avt/0.png?1311)
ai tick mik mik tick laại hết trừ người đã dc tick 3 lần từ mik vì mik ko tick lại dc
![](https://rs.olm.vn/images/avt/0.png?1311)
99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
ban danh vua thoi
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
999999999...x 9999999.... x 0 = 0
\(\Rightarrow\)Vì 0 nhân bất kì với số nào cũng bằng 0
![](https://rs.olm.vn/images/avt/0.png?1311)
1.0000009e+15