2015春三下《有趣的乘法计算》

24X66600266002衡俊救乘衡块一血屮间相餉XI15353583ETIXI12424264EOXI1626268236X11=39615X11=16523X11=25364X11=6104衡块一抵屮间相知64X11=70464XI1rr64704衡杲一我屮闻相餉十俊满十石俊餉一59X11=64967X11=737你能找出下面每题中乘数的特点吗?22X28二35X35=56X54=面每题中乘数的特点吗?22X28二35X35=56X54=面每题中乘数的特点吗?22X28二35X35=56X54=十俊相同金俊相餉得十22X28=61635X35=1225十俊相同金俊相餉得十22X28=61635X35=1225十像相同金後相畑得十22X28=6162X2+22X335X35=12253X3+33X456X54二30245X5+55X6十像相同金後相畑得十22X28=6162X2+22X335X35=12253X3+33X456X54=30245X5+55X615X15=22543X47=202169X61=420924x26=62425x25=625直接写出下面各题的得数，并比较每组的两道题，说说有什么发现，和同学交流。44x46=202474x76二562445x45=202575x75二5625衡後救乘衡決f申间柏加十俊满十弋価畑一23X11=25364X11=704十俊相同金俊相餉得十耒衡像金乗金请而敷十乗哥22X28=61656X54=3024桃战6我22X82=36X76二97X17二