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là:
3
2 tháng 11 2021
106 - [24 - (6\(^2\) - 12 . 3)\(^3\)] : 3
= 106 - [24 - ( 36 - 36 )\(^3\)] :3
= 106 - [24 - 0] :3
= 106 - 24 : 3
= 106 - 8
= 98
-Tick cho mình nha mình cảm ơn. <3
H
27 tháng 2 2023
\(-\dfrac{x}{27}-1=\dfrac{2}{3}\)
\(\Rightarrow-\dfrac{x}{27}=\dfrac{2}{3}+1=\dfrac{5}{3}\)
\(\Rightarrow-3x=27.5\)
\(\Rightarrow x=-135:\left(-3\right)\)
\(\Rightarrow x=-45\)
`->B`
NV
Nguyễn Việt Lâm
Giáo viên
5 tháng 1 2022
\(x\left(x+1\right)\left(x+2\right)\left(x+3\right)=-2.\left(-2+1\right).\left(-2+2\right)\left(-2+3\right)=0\)
PT
Đơn giản biểu thức x + 1982 + 172 + (-1982) - 162 ta được kết quả là:
A. x - 10
B. x + 10
C. 10
D. x
1
CM
25 tháng 5 2018
Đáp án là B
Ta có: x + 1982 + 172 + (-1982) - 162 = x + [1982 + (-1982)] + (172 - 162)
= x + 0 + 10 = x + 10
X=404