问题
填空题
比较大小:-2×52-2×(-5)2______(-6)×23.
答案
∵-2×52-2×(-5)2=-2×25-2×25=-100,(-6)×23=-6×8=-48,
∴|-100|>|-48|,
∴-2×52-2×(-5)2<(-6)×23,
故答案为:<.
比较大小:-2×52-2×(-5)2______(-6)×23.
∵-2×52-2×(-5)2=-2×25-2×25=-100,(-6)×23=-6×8=-48,
∴|-100|>|-48|,
∴-2×52-2×(-5)2<(-6)×23,
故答案为:<.