五年级数学题151515…15*333…3= (1004个15,2008个3)
2019-05-05
五年级数学题
151515…15*333…3=___________________ (1004个15,2008个3)
优质解答
0505050505050505*99999999999999999(1004个05,2008个9)
=505...05050504949.494949495(1003个50,1004个49)
0505050505050505*99999999999999999(1004个05,2008个9)
=505...05050504949.494949495(1003个50,1004个49)