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\(=2003\times\left(58+52-10\right)+335\times100\)
\(=100\times\left(2003+335\right)=233800\)
(2003 x 58 + 52 x 2003 - 10 x 2003) + (670-335) x 100
= 2003 x ( 58 + 52 - 10 ) + 335 x 100
= 2003 x 100 + 335 x 100
= ( 2003 + 335 ) x 100
= 2338 x 100
233 800
![](https://rs.olm.vn/images/avt/0.png?1311)
( 2003 x 58 + 52 x 2003 - 10 x 2003 ) + ( 670 - 335 ) x 100
= 2003 x ( 58 + 52 -10 ) + 315 x 100
= 2003 x 100 + 315 x 100
= 200300 + 31500
= 231800
( 2003 x 58 + 52 x 2003 - 10 x 2003 ) + ( 670 - 355 ) x 100
= 200300 + 315 x100
= 200300 + 31500
= 231800
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\(\frac{3600}{\frac{\left(5x+335\right)}{x}}=50\)
\(\frac{5x+335}{x}=72\)
=> 5x + 335 = 72x
=> 335 = 72x-5x
335 = 67x
x = 5
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a} 15 186 - X = 4752
X = 15 186 - 4752
X = 10434
b) X + 734 = 1 076 - 37
X + 734 = 1039
X = 1039 - 734
X = 305
Bài 2
a] 23 789 + 4 335 : 5 - 9 890
= 23 789 + 867 - 9 890
= 14766
b] 78 469 - 205 x 4 : 5
= 78 469 - 164
= 78305
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1, (1/4:y-3/8)x3/4=5/4
(1/4:y-3/8)=5/4:3/4
(1/4:y-3/8)=5/3
1/4:y=5/3+3/8
1/4:y=40/24+9/24
1/4:y=49/24
y=1/4:49/24=6/49
2,
a,20,14x92+10,07x8+40,28x2
10,07x2x92+10,07x8+10,07x4x2
=10,07x184+10,07x8+10,07x8
=10,07x(184+8+8)
=10,07x2002014
b,24x335+68x74+68x26+76x335
=335x(24+76)+68x(74+26)
=335x100+68x100
=100x(335+68)
=100x403=40300
cho tớ đúng đi
\(33,5.3+33.5.x=335\)
\(33,5.\left(3+x\right)=335\)
\(3+x=10\)
\(x=7\)
x = 7
t mik nha