:9=465(du5
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(465+9+43556\)
\(=\left(465+9\right)+43556\)
\(=474+43556\)
\(=44030\)
![](https://rs.olm.vn/images/avt/0.png?1311)
34.{[(216+184):8]-42}
=34.{[400:8]-42}
=34.{50-42}
=34.8
=272
465+58+(-465)+(-78)
=523+(-465)+(-78)
=58+(-78)
=-20
1+(-3)+5+(-7)+9+(-11)
=[1+(-3)]+[5+(-7)]+[9+(-11)]
=-2.3
=-6
1+2+3.......+100
=101x50
=5050
80-[30-(5-1)2]
=80-[30-4.2]
=80-[30-8]
=80-22
=58
34.{[(216+184):8]-42}
= 34.[(400:8)-42]
= 34.(50-42)
= 34.8
= 272
465+58+(-465)+(-78)
= (465-465)+(58-78)
= 0+(-20)
= -20
1+(-3)+5+(-7)+9+(-11)
= (1+5+9)-(3+7+11)
= 15-21
= -6
1+2+3+...+100=\(\frac{\left(100+1\right).100}{2}\)=5050
80-[30-(5-1).2]
= 80-(30-4.2)
= 80-(30-8)
= 80-30+8
= 50+8
= 58
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
30.75+87.465=118.215
b=465062.1
c = 2476.458
d=19.84628712871287
![](https://rs.olm.vn/images/avt/0.png?1311)
465+58+(-465)+(-78)=(-78)-(-58)=-20
1+(-3)+5+(-7)+9(-11)=-2+-2+-2=-6
1+2+3+...+100=(100+1)*(100-1)+1:2=101*100:2
101*50=5050
**** mk nha Thanh Trúc thông minh
![](https://rs.olm.vn/images/avt/0.png?1311)
= ( 465 x 9 ) +5
= 4185 + 5
= 4190
Đ/S : 4190
=4189.5/9=465(du5)