人教版小学三年级数学下册乘除法综合练习题300题说课讲解

1、78X52-213=84X36=49X28=1482+5=650+5=324+8=63X56=62X45=57X26=756+7=804+5=53X18=47X25=98X88=618+3=859+8=572+7=526+8=43X39=65X94=69X68=960+4=930+3=720+6=69X68=68X55=53X36=720+6=760+2=900+6=46X59-182=65X59=67X38=65X23=64X33=97X57=615+5=874+5=740+8=96X66=87X47=86X26=765+5=966-6=988+4=64X37=64X49=29X38=804

2、+2=148+8=246+7=65X64=38X29=38X46=750+5=103+3=123+3=49X22=38X38=58X26=144+9=97+3=352+5=38X35=48X43=38X52=716+5=80+6=783+3=27X26=27X33=47X22=640+8=360+9=150+3=56X29=36X28=37X28=200+4=150+5=960+3=120+2=270+3=270+3=52X33=62X25=46X73=660+6=640+2=840+3=36X52=65X68=35X47=707+7=808+4=504+4=45X26=35X34=55X22

3、=45X33=24X29=34X38=304+4=204+3=180+2=54X37=34X26=24X43=205+5=408+8=208+4=16X59=33X67=23X44=308+4=104+4=305+5=53X65=23X46=32X59=702+6=902+7=708+4=28X93=58X39=48X27=996+3=282-6=154+7=29X22=59X35=39X57=804+2=906+3=8084=408+4=408+2=804+4=59X68=48X49=38X57=402+2=505+5=606+6=37X45=58X55=38X63=428+2=552+2=

4、606+3=27X26=37X13=37X52=626+2=966+3=663+3=47X65=37X44=36X29=855+5=996+6=852+6=36X52=36X44=35X32=908+2=852+3=924+4=25X58=55X29=55X36=902+2=624+2=528+3=55X57=25X54=56X74=285+6=267+3=67+3=38X74=29X74=25X74=800+6=98+7=267+7=25X23=66X57=47X33=756+4=729+3=414+3=87X10=84X13=15X46=451+3=804+2=941+9=43X90=96

5、X54=84X81=427+5=98+8=368+5=91X80=84X41=76X46=254+3=728+8=83+5=91X32=41X31=34X40=919+6=88+4=756+9=42X64=31X41=23X99=121+4=645+3=966+7=58X37=42X11=88X17=97+3=87+4=412+3=11X81=39X54=43X23=429+3=524+8=594+7=45X62=79X78=54X40=874+5=870+3=352+5=83X77=81X96=10X62=43+8=125+5=415+4=59X93=26X83=36X30=194+2=51

6、6+6=100+2=42X40=39X93=54X37=260+4=375+5=60+6=35X96=17X69=72X98=441+5=412+3=624+4=42X56=26X12=96X29=50+6=200+7=412+7=94X33=89X66=55X91=405+7=76+8=325+4=99X75=54X35=56X41=128+8=446+2=911+9=70X60=41X20=39X84=155+4=718-6=350+8=78X88=72X65=47X23=654+5=622+8=4513=56X59=83X67=83X44=900+6=677+6=192+7=120+4=

7、755=4253=716+5=80+6=783+3=804+2=148+8=246+7=750+5=103+3=123+3=144+9=97+3=3525=296:4=860+2=220+9=153+5=357+6=64+2=128一8=446+2=911+9=405一7=76+8=325+4=155一4=718心350+8=654+5=622+8=451+3=900+6=677+6=192+7=120+4=75+5=425+3=615+5=874+5=740+8=3755-=392+3=638+8=627+3=4415=412+3=624+4=260+4=3755=60+6=468+5=35

8、7y=100+2=43+8=125+5=415+4=453+6=705+3=921+3=874+5=870+3=594+7=97+3=87+4=412+3=512+8=103+3=444+6=121+4=645+3=966+7=728+8=315+7=720+6=919心88+4=83+5=919+6=496+4=308+7=427+5=98+8=269+6=19+2=432+8=368+5=451+3=804+2=941+9=157+2=873+5=315+3=45+3=826+4=654+3=800心98+7=267+7=716+4=267+3=825+5=132+2=285+6=567+

9、6=569+4=498+7=197+2=974+5=483+8=320+2=408+2=890+6=48+2=368+5=708/=980+4=692+4=796r=79X22=65X58=85X68=148+4=500+3=147r=84X26=38X39=68X27=348+3=486+4=396+3=89X22=88X38=88X26=497+8=4905=873+3=92X23=92X54=92X45=137+4=718+5=937+4=35X94=23X94=94X32=96+8=480+4=128+5=486+9=69+51X4=980+7=783y=4327=85X22=8533

10、=8429=83X65=8346=8259=67X27=8237=8247=78X49=78X57=67X45=78X55=78X63=64X29=78X32=77X49=77X26=77X13=77X52=77X65=260+4=375+5=60+6=76X44=75X32=75X58=75X29=75X36=57X59=441+5=412+3=624+4=874+5=740+8=50y=75X54=36X74=48X74=39X74=35X74=75+5=425+3=615+5=200+7=121+4=3755=392+3=638+8=627+3=294+3=264+4=860+7=326+3=980+7=616+8=906+9=3655=108+2=980+7=693心724+4=1884-4=490+7=305+3=562+3=980+7=606y=960+6=252+3=224+8=8309=605=9807=6284=5508=7094=1844=816+8=160X0+100175-75+5=399+7+29468+35X3=725-(125+23