(0.1+0.12+0.123+0.1234)*(0.12+0.123+0.1234+0.12345)-(0.1+0.12+0.123+0.1234+0.12345)*(0.12+0.123+0.1234)=
问题描述:
(0.1+0.12+0.123+0.1234)*(0.12+0.123+0.1234+0.12345)-(0.1+0.12+0.123+0.1234+0.12345)*(0.12+0.123+0.1234)=
答
等0