6 x 2022/9 + 2022/9 x 4 - 2022/9
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\(2022-\left(\dfrac{1}{4}\right)^2\cdot4^2=2022-\left(\dfrac{1}{4}\cdot4\right)^2=2022-1^2=2021\)
2022 - (1/4)^2x=4^2
(1/4)^2x=2022 - 4^2
(1/4)^2x=2006
x=2006/(1/4)
x=8024
A=1−2−3+4−5−6+7−8−9+....+2020−2021−2022D=1-2-3+4-5-6+7-8-9+....+2020-2021-2022
A =(1−2−3)+(4−5−6)+(7−8−9)+....+(2020−2021−2022)D=(1-2-3)+(4-5-6)+(7-8-9)+....+(2020-2021-2022)
A=(−4)+(−7)+(−10)+.....+(−2023)D=(-4)+(-7)+(-10)+.....+(-2023)
A=[(2023−4):3+1].[(−2023−4):2]D=[(2023-4):3+1].[(-2023-4):2]
A=674.(−1013,5)D=674.(-1013,5)
A=−683099
A=1−2−3+4−5−6+7−8−9+....+2020−2021−2022D=1-2-3+4-5-6+7-8-9+....+2020-2021-2022
A =(1−2−3)+(4−5−6)+(7−8−9)+....+(2020−2021−2022)D=(1-2-3)+(4-5-6)+(7-8-9)+....+(2020-2021-2022)
A=(−4)+(−7)+(−10)+.....+(−2023)D=(-4)+(-7)+(-10)+.....+(-2023)
A=[(2023−4):3+1].[(−2023−4):2]D=[(2023-4):3+1].[(-2023-4):2]
A=674.(−1013,5)D=674.(-1013,5)
A=−683099
\(\dfrac{-3}{7}\)(\(\dfrac{5}{9}\)+\(\dfrac{4}{9}\)) + 0
=\(\dfrac{-3}{7}\)
*Lần sau bạn viết rõ đề ra, để thế này nhiều ng sẽ không hiểu!
\(\dfrac{-3}{7}.\dfrac{5}{9}+\dfrac{4}{9}.\dfrac{-3}{7}+\left(2022\right)^0\)
\(=\dfrac{-3}{7}.\left(\dfrac{5}{9}+\dfrac{4}{9}\right)+1\)
\(=\dfrac{-3}{7}.1+1\)
\(=\dfrac{-3}{7}+1\)
\(=\dfrac{-3+7}{7}\)
\(=\dfrac{4}{7}\)
\(\dfrac{2021}{2022}.\dfrac{7}{16}+\dfrac{9}{16}.\dfrac{2021}{2022}=\dfrac{2021}{2022}\left(\dfrac{7}{16}+\dfrac{9}{16}\right)=\dfrac{2021}{2022}.1=\dfrac{2021}{2022}\)
2022
2022