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Ta có : 93879 : x = 180 dư 459
hay 93879 = 180 x x + 459
=>180 x x = 93879 -459=93420
=> x = 938420 : 180 = 519
Vậy x = 519
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a,35\times x-9251=7269\\ 35\times x=7269+9251\\ 35\times x=16520\\ x=16520:35\\ x=472\)
\(b,2352:x=1792:32\\ \\ 2352:x=56\\ x=2352:56\\ x=42\)
\(c,x:204=112\left(dư.22\right)\\ x=204\times112+22\\ x=22848+22\\ x=22870\)
\(d,93879:x=108\left(dư.459\right)\\ x=\left(93879-459\right):108\\ x=93420:108\\ x=865\)
\(a,35\times x-9251=7269\)
\(35\times x=7269+9251\)
\(35\times x=16520\)
\(x=16520\div35\)
\(x=472\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a 180 -(x + 15) : 4 =80:5 180 - (x + 15) : 4 = 16 180 - ( x + 15) = 16 x 4 180 - ( x + 15 ) = 64 x + 15 = 180 - 64 x + 15 = 116 x= 116 - 15 x = 101
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
72 ÷ x + 180 ÷ x = 6
( 72 + 180 ) ÷ x = 6
252 ÷x = 6
x = 252 ÷ 6
= 42
ta có:
72 :x+180:x =6
(72+180):x=6
252:x=6
suy ra x=42
vậy x=42
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9864 + 47 x ( 180 x 12 : 5)
= 9864 + 47 x ( 2160 : 5 )
= 9864 + 47 x 432
= 9864 + 20304
= 30168
![](https://rs.olm.vn/images/avt/0.png?1311)
180 - ( x + 15 ) : x x 20 = 100
( x + 15 ) : x x 20 = 80
( x + 15 ) : x = 4
x : x + 15/x = 4
1 + 15/x = 4
15/x = 3
x = 5
![](https://rs.olm.vn/images/avt/0.png?1311)
X x 13 = X + 180
X x 13 - 180 = X
X x 13 - X = 180
X x 12 = 180
X = 180 : 12
X = 15
bằng 519 các bạn nha
=519 nha bn