3年级口算天天练50道题

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3年级口算天天练50道题

来源：baiyundou.net 日期：2024-07-15

三年级口算练习题（两位数加减两位数等，共2000题)，每天练，熟能生巧

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詹姚孔2295口算天天练.下面哪些数有因数2,哪些数有因数3,哪些数有因数5?12、18、20、25、32、35、39、42、80、81、86、90、102、120、171、185有因数2... -
能京承18580361540 ______[答案] 下面哪些数有因数2,哪些数有因数3,哪些数有因数5?12、18、20、25、32、35、39、42、80、81、86、90、102、120、171、185 有因数2的数:(12,18,20,32,42,80,86,90,102,120.) 有因数3的数:(12,18,39,42,81,90,102,...

詹姚孔2295求三年级的口算题34道(三位数乘一位数,三位数除一位数.)一定会采纳 -
能京承18580361540 ______ 125*8

詹姚孔2295口算天天练填空.750厘米=( )分米=( )米3.8米=( )分米=( )厘米5.)厘米=( )米6厘米=( )分米=( )米340分米=( )米=( )厘米3.2米=( )分... -
能京承18580361540 ______[答案] 750厘米=(75)分米=(7.5 )米 3.8米=(38 )分米=(380 )厘米 5.5分米=( 55)厘米=(0.55 )米 6厘米=(0.6 )分米=(0.06 )米 340分米=(34 )米=(3400 )厘米 3.2米=( 32)分米=( 320)厘米 2.7分米=(27 ...

詹姚孔2295三年级人教版上册数学口算题 -
能京承18580361540 ______ 三年级数学第二学期口算竞赛试题班级___________ 姓名___________ 成绩_________ 10*2= 72-47= 20*5= 27+15= 20÷2= 63÷3= 27*5= 510÷3= 40*9= 23*30= 84÷4= 15÷3= 12*4= 513*9= 4*815= 99÷9= 75÷5= 205÷5= 46*10= 24*20= 872-...

詹姚孔2295三年级小学数学口算天天练答案 -
能京承18580361540 ______[答案] 我想你是找不到答案的了- -

詹姚孔2295口算心算速算天天练三年级上册 -
能京承18580361540 ______ 7-1=6,48除以6等于8,苹果8+48=56(千克),梨8千克

詹姚孔2295求三年级口算题63道 -
能京承18580361540 ______ 36+1 36-1 36+2 36+2 36+3 36-3 36+4 36-4 36+5 36-5 36+6 36-6 36+7 36-7 36+8 36-8 36+9 36-9 36+10 36-10 36+11 36-11

詹姚孔2295三年级数学上册口算天天练第26页的最后一题怎么做△+☆△☆=10+○ ☆+ ☆+△+△+△=11+○ ☆=3+○ △=( ),☆=( ○=( -
能京承18580361540 ______[答案] △=(1),☆=(7),○=(4) 因为 2△+2☆=10+○ 2☆+3△=11+○ 得 △=(1) 又因为 ☆=3+○ 2☆+3△(△=1)=11+○即2☆=8+○ 得 ☆=(7) 将 ☆=(7)代入☆=3+○ 可得 ○=(4)

詹姚孔2295北师大出的口算心算速算天天练习薄(三年级上)第7页: 如果4 ※2=14,5※3=22,3※5=4,7※18=31,则6※9=?北师大出的口算心算速算天天练习薄(三年... -
能京承18580361540 ______[答案] 14=4²-2 22=5²-3 4=3²-5 31=7²-18 所以6※9=6²-9=27

詹姚孔2295谁帮我出90道分数除法口算题?我们每天都出三十道,累死了!别唬弄事! -
能京承18580361540 ______[答案] 1÷4/5= 7/10÷1= 1/9÷5= 1/2÷2/3= 3/8÷5/8 = 9÷3/4 = 2/7÷2/7 = 6÷1/6= 3/5÷1/3= 1/3÷1/4= 2/5÷5= 5/12÷1/3= 1÷10/11= 5/12÷1/8 = 9/10÷3/4= 2/9÷3/18= 1/4÷3= 12/13÷26= 19/6÷3/2= 2/3÷7/2= 6/7÷14/2= 16/7÷21/4= 29/3÷6= 4/3÷7= 9\4÷8= 3/12÷2/9= 1/6÷2/9...

（编辑：自媒体）