(3.7654)2+0.4692*3.7654+(0.2346)2简便方法计算_数学解答

(3.7654)2+0.4692*3.7654+(0.2346)2简便方法计算

人气：331 ℃　时间：2020-05-12 02:11:47

解答

.7654^2+0.4692×3.7654+0.2346^2
=3.7654^2+2*0.2346×3.7654+0.2346^2
=(3.7654+0.2346)^2
=4^2
=16