(2^38+2^37+2^36)/(2^39+2^38+2^39) evaluate
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(2^38+2^37+2^36)/(2^39+2^38+2^39)
2^38-39+2^37-38+2^36-39 (a^m/a^n=a^m-n)
2^-1+2^-1+2^-3
1/2+1/2+1/2^3 (a^-m=1/a^m)
2/2+1/2^3
1+1/2^3
2^38-39+2^37-38+2^36-39 (a^m/a^n=a^m-n)
2^-1+2^-1+2^-3
1/2+1/2+1/2^3 (a^-m=1/a^m)
2/2+1/2^3
1+1/2^3
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