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bulgar [2K]
3 years ago
10

A un numero de tres cifras se le resta el que resulta de invertir el orden de sus cifras y se obtiene otro numero de tres cifras

que empieza en 5. si la suma del numero y el que resulta de invertir el orden de sus cifras es 1352, determina el complemento aritmetico del numero. .
Spanish
1 answer:
Anettt [7]3 years ago
7 0
​Número: 100z+10y+x
Número con cifras invertidas:
100x+10y+z

Resta:
100z+10y+x-(100x+10y+z)=500+10m+n \\ 99z-99x=500+10m+n

Suma:
100z+10y+x+(100x+10y+z)=1352 \\ 100(x+z)+20y+x+z=1352\\ \Rightarrow x=z=1\\\Rightarrow 200+20y+2=1352\;\Rightarrow y=57.5

​Número:
100z+10y+x=100+10(57.5)+1=676

Complemento aritmético:
1000-676=324
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