问题
填空题
计算:(0.25)-2+8
|
答案
(0.25)-2+8
-(2 3
)-0.75=(1 16
)-2+(23)1 4
-(24)2 3
=42+22-23=16+4-8=12.3 4
故答案为:12.
计算:(0.25)-2+8
|
(0.25)-2+8
-(2 3
)-0.75=(1 16
)-2+(23)1 4
-(24)2 3
=42+22-23=16+4-8=12.3 4
故答案为:12.