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![](https://rs.olm.vn/images/avt/0.png?1311)
\(x.98:0,5=2017\)
\(x.98=2017.0,5\)
\(x.98=1008,5\)
\(x=1008,5:98\)
\(x=10,29\)
![](https://rs.olm.vn/images/avt/0.png?1311)
X*98+X:0,5=2017
X*98+X:1/2=2017
X*98+X*2=2017
X*(98+2)=2017
X*100=2017
X =2017:100
X =20,17
X * 98 + X : 0,5 = 2017
X * 98 + X : 1/2 = 2017
X * 98 + X * 2 = 2017
X * ( 98 + 2 ) = 2017
X * 100 = 2017
X = 2017 : 100
X = 20,17
![](https://rs.olm.vn/images/avt/0.png?1311)
\(x+x:0,5+x:0,25+x:0,125=75\)
\(x+x\cdot2+x\cdot4+x\cdot8=75\)
\(x\cdot\left(1+2+4+8\right)=75\)
\(x\cdot15=75\\ x=75:15\\ x=5\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(x\times98+x:0,5=2017\)
\(x\times98+x\times2=2017\)
\(x\times\left(98+2\right)=2017\)
\(x\times100=2017\)
\(x=2017:100\)
\(x=20,17\)
\(x\times98+x:0,5=2017\)
\(x\times98+x\times2=2017\)
\(x\times\left(98+2\right)=2017\)
\(x\times100=2017\)
\(x=2017:100=20,17\)
Chúc bạn học tốt !!!
x=20,17