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10000000000000000000000000000000000+20000000000000 = 100000000000000000000020000000000000
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Ta sẽ trượt tiêu x 2 bên còn x+x+x+x=24
4 x = 24
Vậy x = 6
bạn nhé
tk nha@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@2
thanks
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X x 2 + X x 8 = 2470
X x ( 2 + 8 ) = 2470
X x 10 = 2470
X = 2470 : 10
X = 247
X x 197 - X x 97 = 70600
X x ( 197 - 97 ) = 70600
X x 100 = 70600
X = 70600 : 100
X = 706
X x 2 + X x 8 = 2470
X x ( 2 + 8 ) = 2470
X x 10 = 2470
X = 2470 : 10
X = 247
X x 197 - X x 97 = 70600
X x ( 197 - 97 ) = 70600
X x 100 = 70600
X = 70600 : 100
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![](https://rs.olm.vn/images/avt/0.png?1311)
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x + 5 - 10 = 100
x = 100 - 5 + 10
x = 105
câu 2 theo mk là sai đề
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a) 23x-13x=220
x(23-13)=220
10x=220
x=220:10=22
b)7x+2x+x=210500
x(7+2+1)=210500
10x=210500
x=210500:10=21050
a) X x ( 23 -13) =220
X x 10 = 220
X = 220 : 10
X = 22
b) X x ( 7+2+1)=210500
X x 10 = 210500
X = 210500 : 10
X = 21050
![](https://rs.olm.vn/images/avt/0.png?1311)
X x ( 27 + 30 +43 ) = 210500
X x 100 = 210500
X = 210500 : 100
X = 2105
X x (27 +30+43) =210500
X x 100 = 210500
X =210500 : 100
X = 215