正德职业技术学院-数学教学反思

三年级两位数乘以两位数,竖式练习题
38×58=37×67=99×46=99× 35=46×76=93×35=92×62=88×49=35×45=34×24=33
×74=3 2×62=87×38=84×44=27×57=26×76=29×19=99×19=92×59=92× 28=83×2
3=82×52=79×19=36×76=88×37=88×24=87×65=8 7×44=78×28=77×57=76×46=7
5×35=98×28=95×25=94×34 =47×57=74×64=73×23=72×27=69×29=68×48=67×
57=66× 26=62×42=42×52=39×29=97×63=99×74=59×59=98×75=98×24 =98×33=
28×28=25×35=24×34=24×43=58×48=57×27=56× 36=55×25=23×95=24×95=24

×52=93×29=54×34= 53×23=52×25=49×29=99×18=99×27=89×48=89×26=48×3
8=45×25=44×24=43×23=83×38=99×13=99×32=98×29=98×27= 98×26=86×34=9
8×32=49×95=28×95=37×95=36×95=97×2 9=97×28=82×46=82×28=44×95=94×
29=94×28=57×94=97 ×46=97×35=97×44=78×34=94×37=56×94=76×27=76×25=
97×32=96×49=98×28=96×27=35×94=23×94=94×32=78×46=96 ×45=96×34=96
×33=96×22=93×48=93×27=93×36=93×25=

93×44=93×32=92×23=92×54=88×43=88×52=85× 29=27×74=92×45=92×26=59
×28=47×59=82×47=48×93=3 8×39=68×27=92×17=89×29=89×27=56×38=79×2
2=79×35 =79×57=79×54=59×12=89×24=89×35=89×23=79×46=79×53=7 9×68=7
8×49=89×22=88×38=88×26=88×35=78×
57=6 7×45=78×55=78×63=64×29=78×32=77×49=77×26=75×33=75× 57=75×54=
36×74=77×13=77×52=77×65=77×44=48×74=3 9×74=35×74=65×58=76×29=76
×33=76×58=85×35=69×68 =68×55=53×36=46×59=76×52=76×44=75×32=75×5

8=65×59=67×38=65×23=64×33=75×29=75×36=57×59=56×4 7=97×57=96×66=8
7×47=86×26=65×35=64×54=63×43=64 ×37=47×29=27×26=27×33=47×22=64×
49=29×38=65×64= 38×29=56×29=36×28=37×28=54×59=38×46=48×69=69×63=77×38=46×27=56×25=52×33=62×25=49×22=38×38=58×26= 38×35=46×73=36
×52=65×68=35×47=48×43=38×52=65×2 9=57×74=45×26=35×34=55×22=45×3
3=24×29=34×38=54 ×37=34×26=86×27=86×25=82×33=82×25=24×43=54×35=2
4×32=33×29=86×73=86×52=85×68=85×47=16×59=33×67=23 ×44=53×65=85×

26=85×34=85×22=85×33=87×29 =87×26=87×33=87×22=84×29=84×38=84×37=
84×26=86× 29=86×28=77×28=54×59=84×43=84×35=84×32=83×29=56×59 =83
×67=83×44=83×65=29×46=39×53=59×68=48×49=83× 46=82×59=67×27=82×3
7=38×57=37×45=58×55=38×63=2 3×46=32×59=57×27=52×37=54×29=68×32=3
7×49=27×26 =22×47=28×93=58×39=48×27=37×13=37×52=47×65=37×44=2 9×
22=59×35=39×57=49×54=36×29=56×33=46×58=35×35 =36×52=36×44=35×32=
25×58=47×33=87×10=84×13=15× 46=95×37=55×29=55×36=37×59=36×47=45

×86= 98×27=43×90=96×54=35×33=55×57=25×54=56×74=84×81=91 ×80=84×4
1=76×46=60×62=43×10=82×46=38×74=29×74= 25×74=55×58=91×32=41×31=3
4×40=42×64=27×41=43×4 6=25×23=66×57=31×41=23×99=56×72=20×26=14×
78=58 ×37=42×11=88×17=52×61=88×94=40×91=49×66=11×81=39×5 4=43×23=
22×72=97×73=82×10=18×14=21×44=86×39=61 ×39=45×62=79×78=11×20=24
×34=10×59=31×83=54×40= 83×77=81×96=10×62=10×55=53×21=25×50=40×1
9=60×4 7=37×97=38×26=59×93=24×55=11×87=86×74=93×91=39×84= 78×88=7

2×65=47×23=26×83=36×30=42×40=39× 93=54×37=35×57=43×98=81×22=35×
96=17×69=72×98=4 2×56=26×12=96×29=58×26=58×42=14×21=94×33=89×66=
55×91=99×75=54×35=56×41=20×90=12×66=60×56=70×60=4 1×20=?38×58=37
×67=
99×46=99×35=35×45=34×24=33×74=32×62=
29×19=?92×59=92×28=88×37=88×24=87×65=

< br>87×44=98×28=95×25=94×34=47×57=46×76=93×35=92×62 =?88×49=87×38=84
×44=27×57=