【正文】 ）米 7噸60千克=（）噸 30千克=（）噸； 3米6分米=（）米 8米15厘米=（）米； 3元7角=（）元5分=（）元 15角=（）元 70克=（）千克8元10分=（）元 60厘米=（）米 560克=（）千克 108千克=（）噸 13角=（）元 80分=（）元=（）平方分米 =（）公頃（）平方米 46毫米=（）米 =）平方米（）平方分米 370米=（）千米 29千克=（）噸 3米50厘米=（）米 =（）米（）厘米 =（）千克（）克四年級數(shù)學口算題(12)+= += += += += += += += += += += += += += += += += += += += += += += += +4= += += += += += += += += += += += += += += += += += += += +5= += += += += 2+= += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += +=四年級數(shù)學口算題(13)+12= += += += += += += += += += += += += += += += += += += += += += += += += += +4= += += += += += += = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =四年級數(shù)學口算題(14)= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = += += += += += += += += += += += += += += += += += +=四年級數(shù)學口算題(15)+= += += += + = += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += += +=四年級數(shù)學口算題(16)+= += += += += += += += += += += += += += += = = = = = = = = = = = = += += += + 9 = += += += = = += += = += = += = += = = = += = = = = +=+= += += = = = += += += =+= = = = = += += +=+= = += += =+= += += += + = = += += = += =四年級數(shù)學口算題(17)= += += = += += += = = += += += = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 100 = 10 = 10= 10 = 10 = 10= 10 = 1 10= 10 1= 100 = 10 = 1 0 = 10 = 10 = 10 = 10 = 100 = 100 = 四年級數(shù)學口算題(18) 10= 10 = 1000 = 100 = 1000 = 10 = 100 = 100= 100= 10 = 1000 = 100 = 1000= 10 = 1000 = 10 = 100 = 100 = 1000 = 10 = 1 00= 100 = 100 = 100 = 100 = 1000 = 100 = 7 10 = 100 = 10= 1000 5= 10 = 100 = 6 100= 10= 100 = 10 = 1 00= 100 = 100 = 10 = 1000 = 100= 100 = 10= 1000 5= 10 = 100 = 6 100= 10= 100 = 100 = 100 = 1000 = 100 = 100 = 10 = 100 = 100 = 10= 10 = 1000 = 100 = 1000 = 100 = 100 = 1000 = 100 = 1000 = 1000 = 100 = 3 100= 100 = 10 = 100= 10 = 10 = 100 = 100 = 10 = 1000 = 100 7= 100 = 1000 = 10 = 100 = 100= 四年級數(shù)學口算題(19) 100 = 1000 = 1000 = 100= 1000 = 100 = 100= 100 = 100 = 100= 100 = 100 = 6 10 = 100 = 1000= 10 = 1000 = 10 = 100 = 100 = 1000 = 10 = 1 00= 810= 100= 10= 100 = 100 = 10 = 100 = 100 = 6 10 = 100 = 10= 10 = 100 = 100= 10= 100= 10 = 10 = 10 = 10 = 10 = 100= 510 = 10 = 100 = 100 = 10 = 10 = 10 = 10 = 3 100= 100 = 100 7= 10 = 100 = 10 = 10 = 5 1 00= 10 = 10 = 4100= 100 = 10 = 100= 100 = 10 = 100 = 9 100= 100 = 100 = 6 10 = 100 = 10 = 10 = 10 = 10 = 100 = 100 = 10 = 100 = 10= 4 100 = 100 = 2 = ?? ?? ?? ??當一個人真正覺悟的一刻，他放棄追尋外在世界的財富，而開始追尋他內心世界的真正財富。3= 8=1000= =1247。100= 247。8= ＋= 2+2=101－= =+99＝1247。5﹦247。70＋58＝9)150247。50－46＝25)1200247。80＝39)3060＝40)180247。5＝8)900247。3112＝21)184＝22)74247。8＝36)420247。3＝四年級口算練習（三）1)32002＝2)2420＝3)70247。4＝16)5070247。20＝26)1602＝27)480247。3＝38)90－15＝39)324＝40)92247。50＝3)1305＝4)400247。3＝22)155＝23)490247。50＝38)1200247。60＝47)254＝48)145247。3=5)125=6)452=7)147=8)808=9)752=10)254=11)333=12)138=13)244=14)7004=15)117=16)909=17)209=18)137=19)10004=20)7004=21)227=22)5005=23)285=24)116=25)118=26)256=27)45247。9=29)803=30)382=31)507=32)253=33)117=34)24247。15=17)360247。160=28)920300=29)9000247。400=47)9000247。4=10)640247。20=24)4030=25)37＋26=26)76－39=27)7600247。30=5)61300=6)130050=7)20048=8)930－660=9)530＋280=10)9200247。80=22)140300=23)8800247。30=43)27030=44)84247。40=5)352=6)1407=7)136=8)2803=9)3502=10)5011=11)2506=12)7200+900=13)410201=14)209640247。14=31)24247。200=13)7600247。300=29)300330=30)31400=31)7000247。80=46)1510=47)1211=48)16030=49)22040=50)1045=四年級口算練習（十五）1)4500247。5=13)326=14)7000247。5=45)240247。50=3)280247。2=23)1504=24)560247。3=39)19005=40)720247。4=5)76247。50=24)1305=25)400247。3=40)19005=41)720247。4=6)76247。4=24)76247。5=14)247。=23)=24)0247。=32)247。=42)247。1=50)247。600=21)2700247。100=42)150+70=43)35698=44)1258=45)612247。1000=17)300247。2=11)9100247。30=38)38=39)－=40)821－202=41)247。()=4)247。200=26)398+294=27)50012=28)25040=29)125800=30)9759=31)644=32)998299=33)240400=34)5415=35)1407=36)299+455=37)1560=38)9100247。60=16)6052=17)6036=18)7+75=19)10000247。4=49)100037=50)6000247。6520247。40=四年級口算練習（二十六）1)827125=2)12700=3)=4)(180+20)247。4=17)198+27=18)8+=19)+=20)10340=21)(22+78)7=22)1603=23)=24)=25)+=26)+=27)213247。600=7)247。102=45)320—168=46)40235=47)91258=48)430—270=49)376198=50)+=四年級口算練習（二十八）1)—=2)8—=3)83－45=4)560247。800=37)110600=38)256=39)30270=40)90247。1000=48)+=49)100=50)+99=四年級口算練習（二十七）1)100247。100=13)4284=14)27297=15)=16)180247。5+39=45)++=46)6400247。4=37)(305+30)5=38)42018+580+180=39)75247。3200=44)295=45)200104=46)15+97=47)58247。30=12)5500247。400=20)360247。247。=36)416247。100=48)－=49)＋=50)1－=四年級口算練習（二十二）1)231－99=2)＋=3)32+268=4)－=5)＋=6)799＋7=7)24－19＋24＋19=8)－=9)－=10)120247。10=14)10=15)247。400=39)10=40)600247。=9)2=10)+=11)=12)－=13)48＋16=14)1140=15)6=16)138－89=17)5400247。=48)0247。=40)247。=30)247。4=20)6=21)247。9=36)4=37)6－=3