0 x 0 =
K
Khách
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H9
HT.Phong (9A5)
CTVHS
14 tháng 8 2023
a) \(0\times3=0\)
\(0\times4=0\)
\(0\times5=0\)
b) \(0\times6=0\)
\(0\times7=0\)
\(0\times9=0\)
\(0:6=0\)
\(0:7=0\)
\(0:8=0\)
\(0:9=0\)
TG
18 tháng 7 2021
đăng ít thôi bạn! Nếu bạn đăng lẻ ra thì bn sẽ nhận đc sự trợ giúp nhanh hơn !
18 tháng 7 2021
a) Ta có: \(\left|x-3\right|+\left|y-2x\right|=0\)
\(\Leftrightarrow\left\{{}\begin{matrix}x-3=0\\y-2x=0\end{matrix}\right.\Leftrightarrow\left\{{}\begin{matrix}x=3\\y=2x=2\cdot3=6\end{matrix}\right.\)
NV
Nguyễn Việt Lâm
Giáo viên
6 tháng 4 2019
\(tan10^0.tan80^0.tan20^0.tan70^0.tan30.tan60.tan40.tan50\)
\(=tan10.tan\left(90-10\right).tan20.tan\left(90-20\right).tan30.tan\left(90-30\right).tan40.tan\left(90-40\right)\)
\(=tan10.cot10.tan20.cot20.tan30.cot30.tan40.cot40\)
\(=1.1.1.1=1\)
PB
8
10 tháng 8 2016
Giải
Vì a x 0 = 0
=> 123456789 x 0 x 0 x 0 x 0 x 0 = 0
10 tháng 8 2016
123456789x0x0x0x0x0
=0
Chúc bạn học giỏi nha!!!
K mik mik k lại
AH
Akai Haruma
Giáo viên
3 tháng 4 2020
Lời giải:
Nếu $x>0$ thì $-x< 0$. Do đó $-x< 0< x\Rightarrow -x< x$. Đáp án A sai
Nếu $x>0\Rightarrow -x< 0$. Đáp án B sai
Nếu $x< 0\Rightarrow -x>0$. Do đó $-x>0>x\Rightarrow -x>x$. Đáp án C sai
Nếu $x>0\Rightarrow -x< 0$. Đáp án D đúng (chọn)
0 x 0 = 0 đó bạn ! Khi bạn nhân 0 với bất kỳ số nào thi cũng bằng 0 thôi bạn ! k mình nha .
0 x 0 = 0
k mk mk k lại
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