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

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

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

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

A. doubled
B. tripled
C. fourfold
D. the same