圖書在版編目(CIP)數(shù)據(jù)數(shù)學(xué).三年級(jí).下冊(cè)趙杏梅主編.石家莊:河北教育出版社2014.11(2019.11重印)義務(wù)教育教科書ISBN978-7-5434-9550-0.數(shù).趙.小學(xué)數(shù)學(xué)課-教材.G624.501中國(guó)版本圖書館CIP數(shù)據(jù)核字(2012)第168001號(hào)主編趙杏梅副主編鄧明立崔海江編者趙杏梅劉永昌張?jiān)龈Ｖ忑R忠崔海江王強(qiáng)底梅艷書名義務(wù)教育教科書數(shù)學(xué)三年級(jí)下冊(cè)責(zé)任編輯李彥所責(zé)任印制王淑英裝幀設(shè)計(jì)呼玉邁內(nèi)文插圖歐凱設(shè)計(jì)工作室鎮(zhèn)石工作室出版(石家莊市聯(lián)盟路705號(hào))發(fā)行河北省新華書店制版保定市佳美制版中心印刷河北新華第二印刷有限責(zé)任公司開本787mm1092mm116印張7字?jǐn)?shù)65千字版次2014年11月第1版印次2019年11月第6次印刷印數(shù)17600012140000書號(hào)ISBN978-7-5434-9550-0定價(jià)6.90元冀發(fā)改價(jià)格2019761號(hào)冀價(jià)審2020002067版權(quán)所有請(qǐng)勿擅用本書制作各類出版物違者必究如有印刷質(zhì)量問(wèn)題請(qǐng)與本社出版部聯(lián)系調(diào)換電話:18603114066購(gòu)書電話:0311-88643600012)#&jyz&jyz&a&ayz(3!+$4$5%!6!78978%!#$%#$!:!AB%&C!(1DEAFG%&()+%H!I1JKL%(M!NOAPO1QR%$#-.%)S!T1JKL%)U!VWXY%#!FGZ%$書書書!#!#$%&()+-.#$012!3#4567#$8)9:#ABC#DEFG!H#I:J#KL:J5MNO!#!#PQRSITU#VW$XY$Z#WXY#Z!X$G!H!_$!X$G!_$H#!R_$%$#aNO$%$#$&%#&#bNO!GRSIcd!#efHghij(klmno!#$%&()&+!-.0%1234$5634$7!$78#91!pSY#$012I)!qrrs#:J#teF$:J2uv!F#:JUwRSIx!R_%!_$!yz|(%!R_&!|$#!(|_()!#ZORSc$!F%!F%!&RF!&$ZOcO#&!&R#&!$!FI:J#BIj!#$%)+-.!12#$#%&(24#$#%$:I!&$KH(!)($&K(!I“G#BxY$!)$#HxY$#)%!|F(!&$ii&!&i”i&!&%”iYR_&!&$F#:JKIxU!$%#&+x)!&()!H!$|F(#!#G$()%!#:$!$K(%!(&$)$!#+!#&X#B!($+)%+!$+(&$Z&!$#Z+$#Z$+Z%+:$Z+!&$)$!+$)$!+$)$!$+)%+!Z+$!Z+!#R_&#yz+&H!|F(!$%$#GI$#!)oHoIxR$HoHoHo$&)&)%)#(%)#%)&(&)&()!+)$B#f!&klmno.:8A&#BCDEFG#HIJKLM%NO!%P$!Q$&5!R.STU%$VW%XYZ7=(DE_!abR=cdJK%efgh!$PQ$5$VW%iYZ7jkljmn$7o%Y%=pqrs!abRZ7tuv1w%xyj!za$VW%Z7jkI|_12%!xxX+$($!%!+!$($%#$+!$#X#$Z$+!$!$!%!$($!X#$Z+”!%&$&!#$&$!X#$Z+$!$%!#!%$&$($!X#$Z%+!%$!$&(!%$!$%$#X%&$Z%+!&$!$(!&$!$+#%+X()+-#$(Z%+!(&$!($+%+#&X.01234!Z+5!$&$!$+$(%X#$%Z$&!+6!$%+!$($!%!$X341!718&9$&Z:=!$eIAB#CCRScAD!E$!F%GH%!#$%IJKL-%GHMN%Ge|ZHO%!(書書書!#$%&(!$%#&+($!$:!$!$%!”5ST#”SUV!WXYZ#F_a!bcIdY%$Ie#fRIdY%!Ie&egh!PQiIR!&$%Y&!&jkY(&!l!#PQRSeIR#eO(!klmno!#$%&aD+!&D%1234P12a%&7&91#!m=P%&734P!#P)A77(QP8%7%P34P!#ePa%a#!%aP!$(!P)aP!PaP!YIeNO$%#Y(IeNO&%!5M#mY%n$o!ReY#IpIqDYo#!#!Yo#!(Yn!eBrYnsYo(e$tru(#R!I!&$KI(Y(Y(”u(&PQRU!vwxyI#eO(&%z%(IY#e|BYg%(!#!ReYnsYo!$(+$M!(L!#MYI#iIY!M#!M$!Y!#!Zi$t#DIR!klmno!#$%&!R1Am“8$!P!R1(%Im“8(+!P!R”R1Am7j%“8&!P!R1m“8$(!P!$#!$%&$%&Y#!#-#&!#-$!#!&#-$&!-$#!&#-$#&#!.#&!#-#&#-$!#!&#.#!&#!#$%&()+-.4$%$!#-$&#-$%$#!&#-$#!#-$#!F:!%#-$!&-$!#%-%-$%!#-$!%-$!n|$#!$|Z(#!LY%“#Y!KLm&!#IL#($!%+!I#$#Y(%#YI#”$!K:#K(Z(klmnoa=%LM!bRaLM%R(qR!b%#!b8$!%=#7)8!LMa!%&!$-%$%+&$-%!%!&%+.%!&%$.%!$&$-$&$-$+%$K(+%!&#!F:!&-%!(-&$!&+-(%+-#-+%-&#!&eF#+!KIF:#FZ(u(#!%#I5#Q9#&!F$&!9#($!L|#GU.9H9H#F(+!Z(klmno:w=8%a!%&-#+(%!#%(%!$!_%(r%#$%dA$#&!#&$jk#_Y%#Y%!_YZ(%-%!&!%-$!%!&%!-%$!&!%-%!$!$!%-%!%$!$_Y&!&OH#!#OYZ(#!-%!&!#!-%!$!%!#!-%!$!.!.!.#!-%S$!S$OY&!(#!#-%!$!-$!(-(!+!-&!-+!+-%!PP#Y#Zu(!:Y#:!-#!+#-%!&-+(!-%#-%!%-#!#!-+!-(!&!-!%!-&!-#!(!-!#!$!|Z($!F|FRSIZW(!#$25)#書書書人參觀動(dòng)物園，買門票大約需要多少元錢？（元）!#$%&9208009()+!#$(#$()+&9109290900（元）（元）（元）估算一下：小時(shí)大約有多少輛汽車通過(guò)大橋？書書書!#$!%&()+-.!#$%&()+!012#34567+89:$01ABCDEFG:#HIJ:=KL#MNOPQR$STUVWXY$ZA_Labcde_f#01gh$AS:ijkll2#mnopqrs$#mnoPtuv:wx%yz#|$SP$y&g$L$S2PTy$P$!#k#W%$SUY#l2“:yz$Y:=#V4$01A4$S%#$n”4:$:4$YSV4:#Su!Ye$(Y4=$(Yf$()S:rP-#Y):$S!$#P!$#$#)%&2u#H(!$)+-.Y$0W1.!2(34(546701$!$4+8:2#!9:$!)+-A#!西王莊年有固定電話部，年的固定電話數(shù)是年的倍。西王莊年有固定電話多少部？求年的固定電話數(shù)量，必須先計(jì)算出什么？（部）（部）（部）答：西王莊年有固定電話部。西王莊計(jì)劃新建棟這樣的樓房，每個(gè)單元可住戶居民。一共可以住多少戶？!Muu$_Wcd-Zef#!g8hi_3#hj:k+lmP3:no#$pk:no2!pk:$H$+pk:no2$pk:H#q#r+pks-Vt$!i_u%vwxy$vz!#!+%vW|-Vt$+8!#Vtq!v$-Vt%!+%:W-$+!#%:$!%U#1.選擇合適的方法計(jì)算。9030726018656080489037542.試著估算一下:1200名學(xué)生大約能組成多少個(gè)班!#$%&()$+%502120012100%&-.100!#$%&()$+%$+%&-403120301200&)!#$%&30.3.用適當(dāng)?shù)姆椒ń獯鹣旅娴膯?wèn)題。(1)幼兒園要買29輛兒童三輪車2500元夠嗎(2)一本書每頁(yè)有25行每行有23個(gè)字。這本書每頁(yè)大約有多少個(gè)字(3)蛋糕坊運(yùn)進(jìn)了6箱雞蛋每箱裝5盤。一共運(yùn)進(jìn)了多少個(gè)雞蛋每天用45個(gè)雞蛋這些雞蛋夠用半個(gè)月(按15天算)嗎42!#+#(+#!#(%#!(+#(%#(+#!(%!M$:23$_#!#$!a)c-=%!#+&#:y#!+%$_+&$U%y$+)A#H5U%y$-+”%!6OŬ#)#!kk$VAkW$#!9:$H#&!kr$#!-Y”$kr$s-V#!#!#)l-s-V$s-V!#$AkBH#!)”H!=A:N0(!#$:BH+N0$4$#!6B:QA$:V#!$#:2&:2&:2#m:!Y)Va4:-r#!)6Y$0!#!$%&(!)+-.01234567)!H:3r+N0%#!Ak$H+N0$4$#!#$k:#=H+N0$#!#$%!#!#$%&()+-.01!#$234516789:4$AB!AB!C!DEF&G8HIJ45E!#4&r(D)+-%#!#$%-.0%123(4.56%675689:!:=.A+:N0#%#!A012%#34+#H56$B#34+#H7_#84:3#10!#$%&!V9$o8=:):3#!%&(&J:0ABIJCD$W8E3U3#11#$%&()+-!.1!#!F3+-E3#!F3)!#E3B!01)!#11$#9:J#!+JG:0HrIA$#!G0!GH!GI!$+J#J7:IA#!#$%KLMNO1PQRSNDTMUVMW!XYZ!TMU!VMDP#!LM)!#TM!_abcdef1ghij1kl$mTMn!#TMop!VMDPq#&rsijVMtuvwx1yQzDF1!s|!+!#K+-#J#J#!+E3I!+E3H!+E3I!+E3%#AkJ!#30:#LMN#!#$L6”)+!#30#9:J#!+J#O:02-F3#&#$+J!P)Q-3#+J:0#!RoQ#$8:!:0#8STJ:0#!%Ak$!#$4:UVMN+W$_O#$#!n=$6=X8:#!+n#$+=#+AkQYP#!#$!=W:_$8=3U3#abc02%$=3#dL002+#=3#(#!ef:dL0)$Q(D:$BghiD:jk$02!$#L#)8=3)U3$02+#=3#4:dL0$!l:4Um9nopqr#!6$kst4u)B(:0A$A$V#(!0B(sBvBw(x(0A+!yz:$A|pLk:#!Q+=3!+=3!+=3+=3)#!#$%&()+-.0!#$%&()+-.012345&(6789:!7011五一勞動(dòng)節(jié)放假期間，紅紅爸爸開車帶全家從石家莊到承德游覽避暑山莊。上午時(shí)出發(fā)，下午時(shí)到達(dá)。汽車平均每小時(shí)行駛多少千米？（時(shí)）（時(shí)）（千米）答：汽車平均每小時(shí)行駛千米。書書書!#$%&()!+-.0123!4567.89:!Z.(T!J_=4a!bcRd%e_=4!f:_g&4#$#%h=4ihj4akl23e$%mBnop!_$4a!h=4iqc=4a-.lrs#teu!Nv#te($%e!e($%te%e(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