Question

Determinati cifrele a,b,c,stiind ca a3,92c=73+b2/100+4/500....help

Answer 1

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a3,92c=73 + b2/100+4/500
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a392c =73000 + 10×b2+8
                       
10000a+3920+c =73000 + 10×(10b+2)+8
10000a+c =73008 + 100b+20-3920
10000a-100b+c =69108
c=8
10000a-100b =69100
100a-b =691
b=9
100a-9=691
100a=700
a=7