\(\frac{309}{412}=\frac{2014-a}{512}\)
Ta có : 2014 - a = 512 x 309 : 412 = 384
2014-a=384
a = 2014 - 384
a = 1630
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\(\frac{309}{412}=\frac{2014-a}{512}\)
Ta có : 2014 - a = 512 x 309 : 412 = 384
2014-a=384
a = 2014 - 384
a = 1630
tim a biet 309/ 412 = 2014 - a / 512
tim a biết 309/412= (2014-a) /512
tim a biết :
309/412=2014-a/512
A=
309/412=2014-a/512
309/412=2014-a/512
309/412=2014-a/512
309/412=2014-a/512
309/412=2014-a/512
309/412=2014-a/512