2024年人教版四年級(jí)下冊(cè)數(shù)學(xué)期末核心考點(diǎn)復(fù)習(xí)-小數(shù)的加法和減法

11.

-■,(^/b^6ft,X30X)

i.T3WXX,“5”^“8”m+WWlWg;!raW>()o

A.350+28B.0.57+0.8C.8+0.5D.0.57+8.3

2.6.45+8.30t,“4+3”()□

A.4f—tn±3X—B.4Xo.iin±3Xo.i

c.4io.oiin±3Xo.oiD.4fo.iin±3io.oi

-2.1Ht,W2.11.2,SWXBXX^?XX>X^WfflbL()o

A.B.XT0.9C.XT0.9D.XiXJW

4.[friili+M5-2.7WWSX:()o

A.50b1Mi27X0.1

B.5h0.1Mi27X0.1

C.50X0.1Mi27X0.1

D.50X0.1Mi27X0.01

5.7.4bcBWTIXoTMbf

IOXXXJITJX()o

A.bt8TE,X00.67GB.bf7.8Th,b￡00.4JE

C.X10X,X02.67U

(45S3X,X12X)

i.bJbWf&ibn,-ilWin1.7,i-iWMi3.3,MPibnMi()o

2.W1.38+5.9+□=1.38+0.62+5.9=2+5.9=7.9,()□

3.12

i?3.5i,MxoiiT2.35i,mr()io

4.iTOibWiSblb,0(1)3.47X-JS,bm(2)0.58

Xi,0(3)rn0Xbb0(2)0.25Xio0(3)

MWXXXi?bMX()o

X.(bb32X)

1.O^fBWto(^X/?2b,b8X)

0.4+1.6=2-0.78=2.5+0.6=7.2-6.5=

2.(</J'^4^,8^)

2.38+7.6=11-7.8=

3.4ft,16ft)

7.2-(2.78+3.9)8.5+2.38+4.62+1.5

15.6-6.82-3.189.14-(4.32-2.7)

(^26ft)

1.W&raMBW

Xx^4-07:1110:04

MfMSEW*2*1*53Muni

—fjl￥212￥133.5

(7ft)

2.ffiO1rnOW-OrW,1.6m4￡($00)oW

(8ft)

3.OMM1MM#,rtmw754Off

(#nS)oWWMxTv'O#-^,10kg2kg12.8

7E,I6.5TUoFAM^WTC?(11^)

'?#(4O

?M307GM57U

?S50TUM107U

?S100TUM207U

?M150TUM40TH

ft:

1.B2.B

3.B2.1-1.2=0.9,0.9

4.CL￡>]5WW.504"0.1,2.7WW,274"0.1-

5.B

—>1.1.62.0.623.5.85

4.3.47+0.58-0.25=3.8(4^)

1.21.223.10.7

2.(SitSJOK)9.983.2

3.7.2-(2.78+3.9)

=7.2-6.68

=0.52

8.5+2.38+4.62+1.5

=(8.5+1.5)+(2.38+4.62)

=10+7

=17

15.6-6.82-3.18

=15.6-(6.82+3.18)

=15.6-10

=5.6

9.14-(4.32-2.7)

=9.14-1.62

=7.52

0,1.212-133.5=78.5(TU)

-WKM-WO78.57U

2