2024年人教版六年級(jí)下冊(cè)數(shù)學(xué)期末核心考點(diǎn)復(fù)習(xí)-常見難題

10.

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i.-WB?BW?H%W()

A.1:2:3B.2:3:5

c.4:5:9D.2:3:4

2.—Ai￡WW^rtOhABSWAA4cA—AWAM—OiAWAzKAMM

AAAB(AWMMA;M—JMiAABAJEAWAA—feAAzKAB￡n^

MOWMSWi:M—AAM—AW3{AM—BAM—AW2.5fAPPJ

AWWAAW()In

A.5.5B.4C.3D.2.5

3.-ABWA20cm2iW,M?AT—WAIJW^OZK.fcla^JA

MJWWA()cm3

A.140B.180

C.220D.360

4.EAA.WAW:?AMMfBMMESBthzh-WAMAWcA

AM,BAIWADATM-EAnAB=BC=CD=10km,fBMt907U0

WSAA,AAA?m^^mA?LmAA.mnA&ww(>

A.407E>307G>207EB.507E>307G>10TH

C.45TIA30TIA15AD.557E>25TE>10A

5.W—AAA^?AAMAA3:2,AW—AM—AJAM>MJifiWA4:3

WAMASWnO^—AMWAPOAMA—AAWAABWWiAA()

A.9:8B.9:4

c.16:9D.4:1

ii—iio(^A3A,A27A)

1.4i:L681A5—A—Rlfc,plij68=X()+68=6x()+80

2.50wwmw()%AiABA)kgMA30%A770kg

3.AWWA,301,2,3,...,30

s<xi±#r?^3

§lm±Ml?>5()Ao

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MiAI^WAA,2AI^WAA/ikA()□

6.M,}E—ABWAWW^AAWAWM—AifiWWAAA^nMSAAAA

WMIA^16.56cm,()cm2o

ai-6^,B-->o(A22A)|^y\

1.MAtH^a^WSo(8A)

1+-i._±41.

66

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77

23_4A.A,

25“9+25“9"

2.5x4^()x4=1

2.AA^Bxo(8A)

v-yv-5=IX

0.3:90%=12:(x+0.3)

3.iWAWIAit￡WfiWWo(6A)

20.25x2024-20.23x2025

x1.25

(^31A)

1.±iliMA60A/ft,liJiLiW,^±W^TdJ0SiMMMA

90A/A,BHW30WoLbWJM^mi>^AA?(7A)

2.WHAXOAW,5oWW>240m,WW

?At￡>2:loMMXWAA?(7

j_±

4

3.TN(1)W-ffirMzk,±^TMrMzl<^3,WnfT^iJT^,iWffifi?

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_5_

4./N(1)(2)?7o$n^;AA(2)5?3A3A(1)

S,AAA(1)mAB>A(2)BAM5oMWAAW^AA?(9A)

—l.D2.A3.B4.C5.A

“>1.100102.2011003.15

4.1:41:9

5.6:406.3.14

5^-L

H>1.649040

X-yX-5=18

-j-x-5+5=18+5

111

—r-x+-^-=?+3-i--T-

333

2X=M

0.3:90%=12:(x+o.3)

W:0.3(x+0.3)=90%xl2

x+0.3=10.8-0.3

x=36-0.3

x=35.7

3.20.25x2024-20.23x2025

=2025x20.24-20.23x2025

=2025x(20.24-20.23)

=2025x0.01

=20.25

1

=Igx-4-+—MRIXL25

*T9f

=a*I-Z-+-4-1

199i

=Rxlx1.25

1.M:i^LljWgljLlj?WmS>Xx

±+A.3Q

6090

x=1080

#:!bWJMfiWl>1080Ao

2.2404-2?■=900(m)

b)W900mo