括号二点5+0点125括住乘零点八

括号二点5+0点125括住乘零点八
2025-05-01 08:00:33
推荐回答(1个)
回答1:

括号二点5+0点125括住乘零点八
=0.25×0.8+0.125×0.8
=0.2+0.1

=0.3