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已知X和Y,请计算X+Y, 并指出结果是否溢出。(1)X=0.11011,Y=0.11111(2)X=0.11011,Y=-0.10101(3)X=-0.10110,Y=-0.00001(4)X=-0.11011,Y=0.11110

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已知X和Y,计算X-Y,并指出结果是否溢出。(1)X=0.11011,Y=-0.11111(2)X=0.10111,Y=0.11011(3)X=0.11011,Y=-0.10011(4)X=-0.10110,Y=-0.00001

Themotherwhosufferedfromdementiaonce_______.

A. wastheanchorofthefamily
B. doesn’t remembernamesorfaces
C. livedinahospital
D. wasoneofthemillionwhohaddementia

RANDstudyfoundthatdementiatakesahighereconomictollthan______.

A. diabetes
B. Alzheimer’s disease
C. heart disease and cancer
D. heartdiseaseorcancer

By2040,thenumberofdementiapatientswillbe_____ .

A. morethanthepopulationofNewYorkCityatthattime
B. 15%ofallAmericans
C. 9.1millionpeople
D. morethandoubled

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