(9991乘1999.1999+9991.9991乘1999)除以2.0002要简便

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/27 18:39:53
(9991乘1999.1999+9991.9991乘1999)除以2.0002要简便
x)Ӱ4|s! =$Q͗3<ٽHŲoTOf v6{:@ OI6T́HөYD4dX$ف "

(9991乘1999.1999+9991.9991乘1999)除以2.0002要简便
(9991乘1999.1999+9991.9991乘1999)除以2.0002
要简便

(9991乘1999.1999+9991.9991乘1999)除以2.0002要简便
(9991乘1999.1999+9991.9991乘1999)除以2.0002
=(9991×1999×1.0001+9991×1.0001×1999)/2.0002
=9991×1999×2.0002/2.0002
=9991×1999
=19972009