三年级数学连乘计算练习讲课教案

1、94X5X5=62 2X2=28X2 7 =27 MM=856=79X9M =82X6X7=193X9=10X85 =48 4 6=973X5=586刈=26 4 4=73 9X8=82X8X7 =53X5X7=785=17X7 2 =68 MM=155X4=76刈刈=71X96=307=61X7M =73Mx5=44 4X6=626刈=95 4X3=102X4=45X5 4 =69X9X1 =31 3X2=98 4X7 =94 4X8=60 7X2=68 48 =96X7M =53 6X5=31X5M =64X8X8=65 5X6=42X8 2 =48X7M=476=13X85 =25X8X

2、1 =91 4X4=97 M 2 =13X56=974X9=346刈=53 Mxz=79 2X8=26X2M =52M=53 7X6=56 9 =50X9X1 =86刈娉=85X9 2 =27MM=53 6X1 =35X5 9 =55 Mx9=71 9X4=51MM =58X2M=436=45X9 6 =51 X8X1 =96 9X9=95X5 2 =69X2X7=78 6X2=80X8 6 =19X5X7=194X2=51 5 =14X4X7=60 6X4=68X93 =59 Mx7=138X2=13X2X3 =57X7X3=49 5X1 =48 MM =48X7M=73 6X6=55X8M

3、 =7X5X4=55 9X6=38X8M =657X5=77 7X2=22X9 7 =69X2X2 =165X2=386M =59 Mxi =82 8X4=76X9X8 =256X1 =84 4 5 =94X6X7=55 2X6=80X8M =30X8X7=86 9X9=84X8 6 =40X6X6=587=60X9 2 =82X2X6=24 3X7=63X7 6 =38X9X9=78 7X7=93X5M =88 Mxi =38 3X6=96 M 5 =876X7=62 7X2=836刈=90 MM=43 4X6=89X9 9 =16X5X1 =82 6X5=86X8 6 =32 Mx5=46

4、 7X2=776M =58X9X8=98 4X8=64X2X4 =79X2 4=166X4=166 M =15X8X5=25 4X4=16X7 8 =15 Mx9=11 3X2=36X8 6 =66X9X9=29 2X7=91X5 9 =174X8=20 6X6=33 4 9 =44 Mxz=752=22 6 7 =40 Mxz=139X7=34 48 =54 4X9=52 3X1 =68X8 9 =46 6 4=277X7=8768 =68 M 4=52 7X9=33 M 6 =90X9X9=63 7X4=66X93 =94X96=76 2X5=63 M 刈=286 4=50 6X1 =83

5、 4 6 =98 M 6=446=70X5X7 =91X9X9=57 8X9=94X8M =44X9X8=42 2X5=90X5M =41 4X9=87 8X1 =62X5M =71Mxi =67 6X7=54X5M =9866=56 6X6=516 6 =406X9=377X2=11M 乂7 =76X7X7=63 3X5=20X7 4 =45X6X8=396=71X2 2 =18X6X8=63 2X4=61X8 9 =77 对 X7=14刈娉=82X8X8 =75X9X8=107X4=69X9X7 =94X5X1 =74 3X9=52MM =81X6X8=48 9X6=60 4 6 =59

6、M 6=26 6X1 =154M =716X9=645=23X8X3 =88 Mx2=88 4X3=80X95 =87Mxz=88 4X6=37X7M =22X9X5=11 5X4=16 MM =71X7M =29 3X8=86X7M =72X9X8=527=526 8 =70X9X5=70MX1 =60X5M =28X9 4=61 3X6=60刈刈=42X2X6=39 4x4=31X2X8 =60X2X2 =133X9=64通刈=49X7 6=81 9X5=58X9 9 =67对 X1 =70 5X9=34X2X8 =95X9X2 =50 2X8=8665 =436X5=194X6=26X8

7、X3 =90X2X5=16MX2=83X5 9 =20 4X5=106=61X8X7 =68X9X9=922=90X2M =97 刈 X5=90 5X2=82X5 5 =46X2M=34 3X1 =52X9 5 =63X8X9=192X4=42X8M =88 M 6=63 5X8=68通刈=53X8X8=54 6X4=34X7 9 =396X2=64 9X9=36 MM =28X8X5=96 2X1 =89X8 9 =35 Mxz=71 2X7=59X2M =90X7=423X9=21X5X3 =38X2X9=94 2X7=34 Mx7 =93X2M=72 7X4=35X8X7 =75 M 4

8、=98 9X2=55 4 6 =92X2X5=143X5=90X9M =656X9=96 9X1 =41MM =15Mx5=59 6X7=45X8M =11 X5M=30 4X2=86X7 8 =274X2 =237=49X8 9 =85X8X7=706X6=38X9 8 =80 4X7=106X4=7842 =45 M 6=25 7X4=71X5M =67 Mx9=20 9X6=674M =92X9M=26 6X5=51 X52 =526X1 =29 5X6=616X7 =736X1 =78 7X9=796刈=1766=49刈娉=63 MM =23X2 7=61 9X2=91 6 6 =37

9、X7M=38 3X7=65通刈=786刈=424X6=584M =91X2X9=44 3X4=566刈=48X2X2 =69 3X6=69X5M =49X8X1 =56 8X8=27 刈 2 =336X5=973X2=57通刈=24X6X2 =83 5X9=44 M 刈=86X9M=769X1 =79 6 6 =49X9X9=668=18X8 8 =13X8X1 =43 9X7=85X8M =11Mxz=805=42X7 8 =565X8=80 M 2 =39X2X1 =498=95X88 =50 Mx5=66 4X1 =20X7 3 =17对 6=113X9=568 =976X8=71 4X

10、7=22X5X3 =97 Mxz=69 6X9=81X7 6 =13X9M=93 7X9=486刈=59X8X2 =43 5X7=3165 =586=56 6 2 =89X2 4=36 3X1 =774M =91 X5X1 =195=50X8M =50Mxz=38 7X7=94X8M =66X5M =22 2X2=426M =45 4X4=71MM =874X5=30 4X9=49 Mx7 =52X5X1 =706X8=38X7 8 =84 4X8=68 6X8=36X2M =46X56=173X8=15X3M =24X9M=52 5X6=67对 5 =87 Mx9=297=316 9 =44

11、 4X9=62 9X5=85X5M =12X8X5=49 7X8=75X5 2 =58 M 4=102X5=71X2M =56X7 4=61 5X1 =646M =89X7=46 9X6=11MM =2344=41 6X5=95 M 6 =53 6 4=83 9X2=30X9M =13X5X5=496=51刈刈=37X7 4=52 5X4=13X58 =97 M 4=69 9X2=12M7 =704X9=196X1 =75X2 6 =41X7M=53 9X1 =79X8X7 =33X8X8=106X4=41X8X8 =60X56=73 5X7=30 M 2 =956X2=599=25X7 8

12、=68X9X5=55 9X7=79X5X3 =71X8X8=32 7X1 =40 4 5 =88X7X1 =185X7=74通刈=57 Mxz=77 5X5=716 3 =957X8=166 6 =20 Mx5=852=36X7 5 =31X7M=67刈娉=28X9X7 =40X7M=696=43通刈=78X5M =30 3X1 =645 =4666=57 9X9=11X2 2 =20X9X5=136X1 =25X7 8 =72X8X8=20 2X8=64X6X7 =12X8M=50 9X2=39X9 9 =61X9X1 =95 5X1 =47 MM =87X5X5=176X9=12 M 2

13、=83X7X1 =82 2X7=74X8M =45X84X4=75X8 9 =55X5X5=147X2=49X5M =35 M 6=196X5=44X6X7 =95X7M =32 6X8=90 M 5 =64X5X8=78刈娉=78刈刈=726X8=977=63X8X7 =86X7M=93 7X7=73通刈=61X7M=57 8X4=80X7 6 =32X6X2 =62 8X9=956 =27 Mx9=135X9=73X5 6 =92X7M=20 8X8=866M =43X2X9=285=20X7X7 =71X5X7=20 8X3=9766 =674X2 =129X4=30X2 9 =47对刈

14、=32 9X8=906刈=17 MM=57 6X6=41X6X7 =43X2M=78 4X6=646M =79X5X5=976X2=53X8M =574X7=74 8X6=96X8 2 =44X5X1 =89 2X5=59 9 =98X5X1 =38 9X8=69 M 6 =34X8 4=374X5=23X58 =23X2 4=78 5X1 =22 4 7 =76X9X9=69 2X1 =94X2X7 =972X2=97X7M =24X9X2 =43 5X5=77 Mx7 =81Mxi =75MX7=31X7 4 =38X2 4=80 3X4=22X8 9 =34 Mx8=62 4X8=89X

15、2M =69X9X7=73 4X1 =27M5 =764X9=372X1 =59 M 6 =786 4=88 9X8=25 M 5 =28X8X5=58 5X5=14X7X7 =63 4X1 =28 7X7=80 4 6 =96X9X5=34 3X6=33X7 5 =406刈=426X1 =705X7=67对刈=36X5X1 =64 7X6=35 4 2 =93 4X2 =24 7X8=49 MM =89X8X5=59 4X3=17M6 =296X9=92 6X2=62X5 9 =61Mxz=506=64X2M =10X8X6=91 5X4=52 MM =37X7M=45 4X6=35 MM

16、=13通刈=396=22 4 2 =51X7X7=65 9X7=93 4 5 =89X5X8=18MX1 =30X9M =86X8M=122X6=70Mx7 =23X5M=92 2X5=73X2 9 =47 刈 X8=57 9X8=7344 =53通刈=709X1 =7545 =47对 X7=126X1 =96 6 6 =50 Mx8=753X6=52X8M =94 M 6=60 3X9=63X9M =80 4X7=95 2X5=794M =86X96=72 3X7=15X7 5 =21 4 4=91 6X6=49X2X7 =62X9X8=64 3X5=65Mx7 =26X8X5=706X6=

17、38X8X7 =57MM=51 6X5=696X7 =424X9=66 6X1 =57X7 5 =30X5X7=67 7X1 =17M5 =15X9M=645=81X2M =63X6X2 =56 3X7=34X9X4 =18X9X9=80 6X8=54X6X4 =96X5X6=33 6X8=40 4 6 =63 Mxz=29 9X2=97 9 =396刈=49 7X7=18X9 2 =26X7M=56 8X9=13刈刈=46X2X9=35 3X9=34X7 6 =60X9X5=49 6X9=42M2 =20X7M=922=434M =88 4X3=56 5X9=46X9M =15X8X7=50

18、 9X6=24X6X7 =336刈=30 5X5=64X9 9 =97 Mx5=184X5=38X5M =89X2X8=53 3X4=21M 5 =34 4X9=77 8X5=45X7M =758X7=61M 6 =54X8X2 =92 9X6=92X2X5 =6366=87 8X5=50刈刈=50X8M=67 2X1 =93X2M =92 6 4=73 6X6=42X7 8 =43X2X2 =20 9X1 =78 MM =82 MM=40 6X5=836M =37X7M=72 9X6=12X9X7 =60X5 4=88BX8=92X7 5 =855X7=22X7 6 =62 4 6=119X

19、7=37对刈=57通刈=74 6X7=25X5 2 =22Mx5=69 4X2=60X8 6 =29X5X1 =88 8X1 =26刈刈=39X8X1 =62 7X9=12X2M =61X8X9=299=41X7M =62 4X1 =109X2=91X8X7 =58 6 4=55 7X6=89X2M =93X8X7=52 7X8=57 刈 2 =91 4X5=71 4X4=17 MM =73X2X2 =52 5X9=63X85 =42X9X9=20 5X7=27对 M =26 MM=67 5X2=414M =4766=109X1 =52X7 6 =22M4=156X6=33X2 9 =49 4X9=169X7=56X55 =946X8=79 9X9=28X9 9 =85 7X1 =62X5 3 =41X8X9=60 9X9=15X55 =42X4X7=25 9X5=40X7M =65 4X8=69 3X9=77X7 9 =12 M 4=41 3X8=50M7X4=196 2 =586刈=35 2X2=38X5 6 =12X8X2 =28 3X2=16X2X5 =59X7 4=21刈娉=89X9 2 =184X7=797=13通刈=68 6 4=83 3X5=31X85 =73X96=53 BX7=63X7 8 =45X7X4=94 6X6=174X