《北师大版一年级下册数学《-练习四》ppt课件.ppt》由会员分享,可在线阅读,更多相关《北师大版一年级下册数学《-练习四》ppt课件.ppt(9页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、练习四练习四两位数加两位数加一位数一位数的的进位进位加法加法求求比比一个数一个数多(少)几多(少)几是多少是多少两位数加两位数加两位数两位数的的进位进位加法加法12123030505062623232626250507 757571010474757571010707080804040404080809 95252=41=41=41=41=52=52=52=52=67=67=67=67=64=64=64=64=64=6417171818(个)353535354040答:能装得下。答:能装得下。4040 6 7 6 7 + 1 5 + 1 5 1 6 1 6 + 2 9 + 2 9 5 5 5
2、5 - 5 0 - 5 05 5 2 3 2 3 + 1 7 + 1 70 01 14 41 11 12 28 85 54 45 5828245453535和和7 71313和和29291515和和27271818和和2424454546464747484849495050515152525353545455553030313132323333343435353636373738383939404049495050515152525353545455555656575758585959202021212222232324242525262627272828292930303232333334343535363637373838393940404141424226262727282829293030313132323333343435353636868611119797+ +70702828+ +989883831515+ += 989874742525+ += = 9999646434349898636336369999+ + += = =717128289999525246469898+ + += = =5050454531312222+=+72727676再再 见!见!