(24X + 5^3) - 4.5^4=5^4
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`(24x^5-18x^4+30x^3) \div 6x^3`
`= 24x^5 \div 6x^3 -18x^4 \div 6x^3 + 30x^3 \div 6x^3`
`= 4x^2-3x+5`
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A= (937.1 - 4.5) - (-4.5 + 37.1) -100
= (937-20) - 17 -100
= 917- 17-100
=900-100=800
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a/|x|-2,5=27,5
=>|x|=27,5+2,5=30
=>x=30 hoặc x=-30
b/\(\dfrac{3}{4}+\dfrac{2}{5}.x=\dfrac{29}{60}\)
=>\(\dfrac{2}{5}.x\)=\(\dfrac{29}{60}-\dfrac{3}{4}\)=\(\dfrac{-4}{15}\)
=>x=\(\dfrac{-4}{15}:\dfrac{2}{5}\)=\(\dfrac{-2}{3}\)
c/(x-1)\(^5\)=-32
=>x-1=-2 vì (-2)\(^5\)=-32
=>x=-2+1=-1
d/\(\dfrac{4}{5}.x+0,5=4.5\)
=>\(\dfrac{4}{5}.x+0,5=20\)
=>\(\dfrac{4}{5}.x=20-0,5=19,5\)
=>\(x=19,5:\dfrac{4}{5}\)=\(\dfrac{195}{8}\)
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(2x+24).53=4.55
=> 2x+24=4.55:53
=> 2x+16=4.52
=> 2x+16=4.25
=> 2x+16=100
=> 2x=100-16
=> x=84:2
=> x=42
(2x+24).53=4.55
=> 2x +2^4 = 4.5^5:5^3
=> 2x+16 = 4.5^2
=> 2x+16 = 4.25
=> 2x+16= 100
=> 2x= 100-16
x=84
=> x= 84:2
x=42
Bài làm
( 24x + 53 ) - 4.54 = 54
( 24x + 53 ) - 4.625 = 625
( 24x + 53 ) - 2500 = 625
( 24x + 53 ) = 625 + 2500
( 24x + 53 ) = 3125
24x + 125 = 3125 - 125
24x = 3000
x = 3000 : 24
x = 125
Vậy x = 125
# Chúc bạn học tốt #
( 24x + 53 ) - 4 . 54 = 54
( 24x + 125 ) - 4 . 625 = 626
( 24x + 125 ) - 2500 = 625
24x + 125 = 625 + 2500
24x + 125 = 3125
24x = 3125 - 125
24x = 3000
x = 3000 : 24
x = 125
Học tốt !