tim x bang hai cach khac nhau 27+x=24+27
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta co
6/x=24/x-27
24/4x=24/x-27
4x=x-27
4x-x=-27
3x=-27
x=-9
![](https://rs.olm.vn/images/avt/0.png?1311)
41 / 27 x 13 / 18 - 13 / 18 x 14 / 27 = ( 41 / 27 - 14 / 27 ) x 13 / 18 = 27 / 27 x 13 / 18 = 1 x 13 / 18 = 13 / 18
![](https://rs.olm.vn/images/avt/0.png?1311)
=24.77+24.27-27.1
=27.(74+24-1)
=27.100
=2700
hom nay bn nợ tôi 1 tick đấy nhé -_-
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\left(198,08\times23,56+165,9:27\right)\times\left(25,07\times3-75,21\right)+8,8\\ =\left(198,08\times23,56+165,9:27\right)\times\left(75,21-75,21\right)+8,8\\ =\left(198,08\times23,56+165,9:27\right)\times0+8,8\\ =0+8,8\\ =8,8\)
(198,08×23,56+ 165,9:27) × (25,07×3−75,21)+ 8,8
= (198,08 × 23,56 + 165,9 : 27) × (75,21 − 75,21) + 8,8
= (198,08× 23,56 +165,9:27) × 0 + 8,8
= 0+8,8
= 8,8
![](https://rs.olm.vn/images/avt/0.png?1311)
198×27+198×72+198
=198×27+198×72+198×1
=198×(27+72+1)
=198×100
=19800
![](https://rs.olm.vn/images/avt/0.png?1311)
27+ x=24+27
27+ x =51
x =51-27
x = 24