整理与复习[上学期]

课件7张PPT。整 理 与 复 习 二2×1＝21×2＝21×6＝61×5＝51×4＝41×3＝31×9＝91×8＝81×7＝71×9＝91×8＝81×7＝71×6＝61×5＝51×4＝41×3＝31×2＝22×1＝23×1＝34×1＝45×1＝56×1＝67×1＝79×1＝92×9＝182×8＝162×6＝122×5＝102×3＝63×8＝243×7＝213×6＝183×4＝123×3＝93×2＝64×7＝284×5＝204×4＝164×3＝124×2＝84×9＝365×9＝455×7＝355×6＝305×4＝205×3＝155×2＝106×8＝486×7＝426×6＝366×5＝306×4＝246×2＝129×2＝187×9＝637×8＝567×6＝427×5＝357×4＝287×3＝218×2＝168×8＝648×7＝568×6＝488×5＝408×4＝328×3＝249×9＝819×8＝729×5＝459×4＝369×3＝278141527322425401854144987236631×1＝12×2＝43×3＝94×4＝165×5＝256×6＝367×7＝498×8＝649×9＝811×9＝91×8＝81×7＝71×6＝61×5＝51×4＝41×3＝31×2＝22×1＝23×1＝34×1＝45×1＝56×1＝67×1＝79×1＝92×9＝182×8＝162×6＝122×5＝102×3＝63×8＝243×7＝213×6＝183×4＝123×3＝93×2＝64×7＝284×5＝204×4＝164×3＝124×2＝84×9＝365×9＝455×7＝355×6＝305×4＝205×3＝155×2＝106×8＝486×7＝426×6＝366×5＝306×4＝246×2＝129×2＝187×9＝637×8＝567×6＝427×5＝357×4＝287×3＝218×2＝168×8＝648×7＝568×6＝488×5＝408×4＝328×3＝249×9＝819×8＝729×5＝459×4＝369×3＝278141527322425401854144987236634 ×6 6×2 5×95×4 5×5 7×7 8×9 2×7 6×5看算式说口诀 5×1 ８×４ ７×８ 6×８ ９×３( )×6＝426×( )＝48( )×( )＝25( )×( )＝49( )×( )＝64( )×( )=12( )×( )＝187×( )=56( )×( ) = 24填一填8785 577883 4(2 ) × ( 6) =12
3 6(2) ×( 9 ) = 1846( 3 )×( 8 ) = 24今天的你学得开心吗