1、25 X 2 =25 X 4=25 X 6=25 X 8=25 X 3 =25 X 5=25 X 7=25 X 9=15X 2=15X 4 =15X 6=15X 8=15X 3=15X 5 =15X 7 =15X 9=45 X 2 =45 X 4=45 X 6=45 X 8=45 x 3=45 X 5=45X 7=45 X 9=35X 2=35 X 4=35 X 6=35 X 8=35X 3 =35X 5=35 X 7=35 X 9=125X 2 =125X 4=125X 6 =125X 8 =125X 3=125X 5 =125X 7=125X 9=123+ 25 =80 - 17 =10
2、+ 20 =120-25=248+ 89 =85 - 18 =11 + 22 =125 26=456+ 45=90 - 19=12 + 24 =130-27=879+ 54 =95 20=60- 13=146-23 =457+ 456 =100-21 =65 - 14 =546 - 457 =7+ 14 =105-22=70- 15 =896 546=8+ 16 =110 23 =75 - 16 =155X 5=9+ 18 =115-24 =564 - 12 =45 X 10 =45 - 23 =456 - 12=56-45=56 X 12 =78- 23=25 X 6=125X 4=25X
3、7=26 + 9=57 - 38 =1500 700=42 X 2 =660 + 3=960-3 =180+ 9 =65+ 15=50+ 5 =3X 800=420+ 7 =3X 220 =420-20 =93+ 3 =880 + 4=1200200=0+ 51 =0 + 76=0X 85 =70+ 7=25 X 3=268+125=280+40=66 - 22=46 X 20=85 - 42=8X 6 + 7=52+23=6 4忌=120 4=805=405=15X 5+ 5=600 - 50=56 X 2=200-36=15+5X3=400 X 5=45 + 3=51+ 31 =380+5
4、0=789 + 0=300 + 5=15X 4+ 8=680 X 0=40 X 25=6X 6+6=43 - 24=11X 9=120X 3=360+80=300X7=85+ 47=310 3=81 + 12=90- 31 =60 X 9=55 + 41 =30X 4=13X 3=604=120-50=300-64=64 X 10=6+6X 7=4005=50- 31 =425 X 0=528 0=450+80=57+140=800X2=3000 400=420 + 7=6X80+ 20=420-330=5X28=60X5=17X3=12 + 88=6309=350 成=700 2=18 4=
5、320X3=60 刈5=72 + 6 + 2=400X3=8+ 2X20=22+ 40=7X 8-7=56+ 8=380- 190=400X6=50 - 23=35 X 0=40X6=300X6=7+ 3X4=90 - 26=2005=320 2=660 6=700 2=80X3=70+550=800X6=500X4=540+ 9=14 5=350-80=570+50=23X3=180+ 3=200X8=530-70=850X2=263-80=850 + 2=98 + 26X0=6X 3=49+ 7=18 + 6=45+ 32=24 + 8=40 + 5=500+ 300=450+500=36
6、0 80=50+ 800=9X 6=72 + 8=28 + 7=5X9=36030=730-700=18+ 3=3400 300=120+400=21 + 7=700+800=9X4=48 + 6=1200+ 800=720+80=8X 7=460+400=6X8=6X7=45 + 5=200+800=24 - 6=8X3=30001500=760+60=35 + 7=27 + 53=240- 120=5000 500=3600 600=30 2=52 7=100 4=900 X5 =40 6 =10 9 =3 8 =18 + 53 =3X7+4=4X6+ 2=5X9 + 6=3X8 + 9=
7、9X2 + 4=5X200=()X 5377X ( ) 43()x 9644X400=900X3=800X4=2 9+3=3X4+ 5=2X7+ 8=2X 8+ 6=2X9+ 5=90X9=8X ( ) 65()X 9386X ( ) 49()X 9207X ( ) 505X ( ) 500=19%=()X 3252X ( ) 15()X 48=36-18=35 W=90+150=789=45-27=720-180=9 9=910-90=387=220+150=6 9=6X7=40书=290-40=770-160=600+270=620+150=3X7=7X7=37书=56令760+100=7
8、50+125=4 6=19书=200+50=430+27=720-70=820-128=33-17=71-43=81令72书=71-24=250-60=287=336=66缶5X5=15+43=58-36=6X6=60+350=840+90=5 9=37=460-72=34+23=34+56=13书=9 4=30+540=620-57=11 W=67-53=52+81=9 9=83令330-172=38+52=5 6=8 6=62+52=415=75+75=70+18=58=8X7=527=6 4=500+700=30+38=84-12=4 4=2X2=2300-500=44+23=7 2=5
9、20-30=980-400=6 3=750+60=8X1 =82=175=8令266=300+70=760-500=38予=700-300=270-80=7X3=228=100-45=8 4=2X6=9X6=33书=370-230=69+30=32 +1 X1 =120-30=5 4=200+90=69+40=92=6 3=26+36=19+47=67书=64书=220+170=4X7=19书=21书=69+32=680-120=770+630=3 3=25X4=450 0=120-40=402X5=360-90=11+60=630 3=560+40=72-24=9+50=630+70=120
10、 5=250 5=14+40=24 5=70 8=880 2=40X8=57-28=801 9=120+20=250 1 =28+68=100 0=902 1 =174=30 6=183=68-4=48-16=70X2=200 8=280-70=320 8=30 6=180-60=560+80=150 2=140-5=125X8=700 2=72 3=42+30=902 6=口算（四）120- 40=402 5=254 =450 0 =630 3 =560+40=360- 90=11 + 60 =72 - 24 =9+ 50=630+ 70 =120 5=245 =70X8=250 5 =14
11、+ 40=57 - 28=801 9=880 2 =40X8=120+ 20=250 X =28 + 68=100X0=30 6 =18X3=902 X =17% =70X2=200 8=68 - 4 =48- 16=280- 70 =320 8 =30冷=180 60=140- 5=125 8=560+ 80=150 2 =42 + 30=902 冷=700 2 =72 B590+ 70=800 5=440 0 =25+ 16 =303 3 =12X2=470+ 70 =64 0=20冷=90S25 8 =72冷=420 6 =280+ 40 =55 5 =484=120- 40=402 5
12、 =254 =450 0 =630 3 =560+ 40=360- 90=11+ 60=72 - 24=9+ 50=630+ 70=120 5=245 =70X8=250 5 =14+ 40 =57-28 =801 9=880 2 =40X8=120+ 20=250 X =28+ 68=100X0=30 6 =18B902 X =17% =70 2 =200 8 =68 - 4 =48- 16=280- 70=320 8 =30冷=180 60=140-5 =125 8=560+ 80 =150 2=42 + 30=902 6 =700 2 =72 B590+ 70=800 5=440 0 =
13、25+ 16=303 3 =12X2=470+ 70=64 0=20冷=90 3 =25 8 =72冷=420 6 =280+ 40 =55 5=484 =口算(六)1厘米=()毫米50厘米=()分米10厘米=()分米 40分米=()米3米=()厘米1米=()厘米10分米=()米 100厘米=()米40毫米=()厘米70厘米=()分米20分米=()米 80毫米=()厘米30毫米=()厘米80厘米:=()分米4分米=()厘米 5分米=()厘米60毫米=()厘米6厘米=()毫米 30分米=()厘米 80厘米=()分米1分米-()星米4米-()厘米1米-()分米90星米-(200+180=56+12
14、5=400-70=71+28=355=90+150=20+150=6X9=910-90=357=34+56=6X8=12 书=9 4=34+23=36-18=30+540=620-57=155=67-53=30米-20分米=()米6分米+ ()厘米=1米20米-70分米=()分米7 0厘米+3 0厘米一()分米2 7 0米+ ()米=1 405米+ ()米=1千米3米-()厘米=1米5米+ ()分米=6米8米+ ()分米=90分米1千米-()米=350米()米+1千米=2000米86千克-52千克=()千克2吨-325千克=()千克35千克+18千克=()千克56吨+ ()千克=62吨8 5
15、0千克+15 0千克=()吨24千克+ ()千克=10。千克3 0 7克6 0克=()克6吨50。千克=()千克46吨-15吨=()吨40毫米=()厘米70厘米=()分米20分米=()米30毫米=()厘米80厘米=()分米4分米=()厘米60毫米=()厘米6厘米=()毫米30分米=()厘米1分米=()毫米4米=()厘米1米=()分米)厘米90毫米=80厘米=）分米5=68+96=300+620=85+126=308+22=37+49=87+56=56+113=44+38=49+67=57+65=88+77=83+49=99+66=52+108=101+99=65+125=64+119=83+1
16、07=750+150=96+45=804+36=95+70=3655+345=820+360=464+36=4300+2600=843+57=9700+300=265+600=5600+200=341+59=340+560=67+233=510+670=269+600=350+70=6782+3218=540+1260=1400+3700=340+2460=470+530=740+600=6700+600=890+1110=870+120=820+132=310+690=420+655=460+1340=430+150=2100+910=270+123=450+1550=323+232=260
17、+1340=456+123=2400+1200=4500+3700=680+1220=3400+540=420+1580=6800+120=4000+400=540+1460=870-650=420-210=304+38=877+177=304-38=877-177=582+60=625+85=582-60=625-85=580+250=326+87=580-250=326-87=672+570=520+185=672-570=520-185=154+46=345+65=154-46=345-65=865+528=865-528=545+255=386+214=253-143=296-286=387+213=499+501=873-663=987-647=866+134=534+266=376-286=800-480=645-454=8000-7000=872-672=4650-460=540-65=8100-280=750-380=7500-2500=5026-326=860-780=1850-480=903-780=750-280=650-460=370-295=1355-455=685-396=788-166=300-284=820-43=
