三年级估算练习题1

1、精品三年级估算练习（一）感谢下载载(6)903 X3弋234 75 Q968q89七428 +399 弋(1)386+427弋269X6弋743X7弋500387弋(2)625369弋940276弋572-489弋758-625弋(3)796+108弋647+465弋315X7弋123X6弋(4)405-228弋57982Q178+243弋325+186弋(5)182X5弋438+84Q888X4弋475+368弋61X9弋58X8弋87X9弋182X5弋903X3弋269X6弋61X9弋58X8弋87X9弋182X5弋743X7弋315X7弋58X8弋87X9弋409+7弋207+5弋59+

2、2Q123X6弋503+279弋743X7弋123X6弋888X4弋67X92Q481+254弋524376弋315X7弋903X3弋123X6弋993+11Q800+7弋805+228弋888X4弋269X6弋61X9弋476+8弋768+3弋精品三年级估算练习（二）感谢下载载(1)(2)(3)(4)(5)990-314弋504+6弋287+7弋448+2弋217+7弋69X51Q78+4Q178+6弋32X28Q89X20Q71+8Q42X19Q29X30Q358气弋323+4弋41X60Q38X62Q53X20Q659气247-60Q29X50Q494+7弋401+8弋357气弋69X4

3、弋41X20Q5+1.3p9+10.6弋9.9+0.5Q8.6+68.9219+7弋802+20Q56X6弋91+30Q509+5弋45X21Q332+3弋79X6弋99+3Q701+7弋61X20Q56抬七87+8Q402+4弋657气弋969+30Q551+55Q369+36Q96+9Q201+5弋(6)306气弋490+8弋410+7弋59X25Q334+11Q99.7-8.6弋219+7弋86X30Q897+8弋779+7弋精品三年级估算练习（四）(1)(2)(3)(4)(5)(6)247+8弋32X3弋48+4Q541992+9Q13X3弋59X7弋121X3弋482+2弋33+3Q

4、563+8弋992+3弋3X203弋624+2弋601+2弋641+8弋882+4弋750549弋539+9弋12X4弋3X34Q2X57Q13X4弋17X3弋361+9弋44X2弋986+3弋32X2弋2X404弋456+2弋79+500弋3X33Q284+4弋9X39Q33X23Q699+3弋49+33Q707+7弋23X3弋7836Q11X4弋231X3弋301X3弋393+3弋209+3弋12X4弋8253Q319X3弋719+9弋4700-699弋598+3弋48+29Q639+8弋476+8弋7X51Q879+8弋810+8弋9X501弋82+17Q54+28Q(1)(2)(3)(

5、4)(5)(6)23X3弋12X31Q7X81Q48X11Q4X42Q41X9弋23X31Q15X51Q7X89Q11X68Q44X13Q37X21Q7X11Q51X59Q24X2弋31X7弋9X74Q51X9弋71X11Q31X41Q24X21Q12X23Q37X2弋29X7弋28X4弋23X13Q11X36Q11X19Q11X55y36X6弋28X12Q22X52Q16X6弋3X33Q211X4弋12X12Q37X6弋14X24Q6X96Q27X3弋97X7弋9X131弋8X201弋222X7弋6X904弋391X4弋214X8弋444X6弋122X4弋221X3弋202X4弋3X87Q3

6、33X3弋51X9弋121X4弋227X3弋2X414弋907X4弋209X3弋41X9弋感谢下载载精品三年级估算练习(五)(1)(2)(3)(4)(5)(6)26+92Q5738Q1500-499弋42X2弋92+3Q769+7弋663+3弋962+3弋184+9弋65+14Q662气弋59X2弋51+5Q3X82Q421+7弋3X22Q483+4弋58+33Q42019Q181+3弋883+4弋1200-599弋11X7弋8049Q51+5Q719985X3弋701+7弋142X2弋5X901弋2X207弋82+4Q92+9Q932+3弋396+3弋77+22Q8352Q29+68Q6849Q82X7弋82+4Q32+3Q3X23Q79+2Q58+26Q34X2弋551+5弋89X8弋42