Ⅹ=9.876543×3.456789 Y=9.876544×3.456788 X和Y谁大谁小

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Ⅹ=9.876543×3.456789 Y=9.876544×3.456788 X和Y谁大谁小
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Ⅹ=9.876543×3.456789 Y=9.876544×3.456788 X和Y谁大谁小
Ⅹ=9.876543×3.456789 Y=9.876544×3.456788 X和Y谁大谁小

Ⅹ=9.876543×3.456789 Y=9.876544×3.456788 X和Y谁大谁小
x-y
=9.876543×3.456789 -9.876544×3.456788
=(9.876544-1)×(3.45678+1) -9.876544×3.456788
=9.876544*3.45678-9.876544*3.45678-1
=-1
所以:x

Y-X=9.876544×3.456788-9.876543×3.456789
=9.876543*3.456788+0.000001*3.456788-9.876543*3.456788-9.876543*0.000001
=(3.456788-9.876543)*0.000001<0
Y

Ⅹ=9.876543×3.456789
=9.876543×3.456788+9.876543*0.000001
Y=9.876544×3.456788
= 9.876543×3.456788+3.456788*0.000001
明显,X>Y

X=34.141125200427
Y=34.141118780672
很明显X>Y

9.876543+3.456789=9.876544+3.456788
9.876543-3.456789小于9.876544-3.456788
所以X大于Y