giúp mình với
2023-(374 + 2023) + (-2024+374)
hộ mình thả tim cho
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\(A=\dfrac{2024^{2023}+1}{2024^{2024}+1}\)
\(2024A=\dfrac{2024^{2024}+2024}{2024^{2024}+1}=\dfrac{\left(2024^{2024}+1\right)+2023}{2024^{2024}+1}=\dfrac{2024^{2024}+1}{2024^{2024}+1}+\dfrac{2023}{2024^{2024}+1}=1+\dfrac{2023}{2024^{2024}+1}\)
\(B=\dfrac{2024^{2022}+1}{2024^{2023}+1}\)
\(2024B=\dfrac{2024^{2023}+2024}{2024^{2023}+1}=\dfrac{\left(2024^{2023}+1\right)+2023}{2024^{2023}+1}=\dfrac{2024^{2023}+1}{2024^{2023}+1}+\dfrac{2023}{2024^{2023}+1}=1+\dfrac{2023}{2024^{2023}+1}\)
Vì \(2024>2023=>2024^{2024}>2024^{2023}\)
\(=>2024^{2024}+1>2024^{2023}+1\)
\(=>\dfrac{2023}{2024^{2023}+1}>\dfrac{2023}{2024^{2024}+1}\)
\(=>A< B\)
\(#PaooNqoccc\)
a)1125-374-1125-65+374
=(1125-1125)+(-374+374)-65
=0+0-65
=-65
a/ 1125-(374+1125)+(-65+374)
=1125-374+1125+(-65)+374
=[1125+1125]+[-374+374]+(-65)
=2250+0+(-65)
=2250+(-65)
=2185
b/ -23.63+23.21-58.23
=-23.(63+23-58)
=-23.28
=-644
361 natural
362 spoken
363 occurence
364 installed
365 prohibition
366 entrance
367 entertainment
368 freely
369 colourless
370 tidal
371 hurrily
372 predict
373 heavily
374 exciting
a)(-37)+54+(-70)+(-163)+246=[(-37)+(-163)]+(54+246)+(-70)=(-200)+300+(-70)=100+(-70)=30
b)1152-(374+1152)+(-65+374)=1152-374-1152+(-65)+374=[(-374)+374]+(1152-1152)+(-65)=0+0+(-65)=-65
x : 48 :25 = 374
x : 48 = 374 x25
x : 48 = 9350
x = 9350 x 48
x = 448.800
vậy x = 448.800 chúc bạn học tốt nha !
\(2023-\left(374+2023\right)+\left(-2024+374\right)\)
\(=2023-374-2023+\left(-2024\right)+374\)
\(=\left(2023-2023\right)+\left(-374+374\right)+\left(-2024\right)\)
\(=0+0+\left(-2024\right)\)
\(=-2024\)
2023-(374+2023)+(-2024+374)
=2023-374-2023-2024+374
=(2023-2023)-(-374+374)-2024
=0-0-2024
=-2024