蘇教版小數(shù)加減的練習(xí)題

1、小數(shù)加減（一）73.4+52.1 =93.1-20.9=63.1-11 =0.33+9.8=3.56-0.54=5-4.15=2.5+9.5=2.87+1.13=12.56-10.2=3.65+1.92=1-0.04=0.39+1.5=4+0.05=7.1-1.7=2.9-2=10-4.3= 0.4+0.5=0.64-0.52=3.8+6.2= 1.2+1.8=2-0.99=0.78+2.2=2.5+3.2=9.8-4.8=1.29-0.18=2.26+0.9=8-0.82=0.75+0.25=1.4+0.5=10.8-8.5=6.4+1.07=0.55+5.5=1.05-0.09=0.6+6

2、.45=4.13-1.8=0.46+0.54=1.07-0.47=1.28+0.22=2.4-1.9=0.06+1.5=2.5-0.9=4.2+0.53=3.64+4.36=5.6+4.4=0.4+8.7=4.5+3.8=1.4-0.6=7.4-3.8=5-3.4=0.28+0.41 =3.8+0.12=0.57+0.6=小數(shù)加減（二）6.4-0.5=6.7-5.8=9.8-3.8= 7.8+6.4=4.6+2.7=4.5+2.7=5-1.6=3-0.6=3-1.2=6.7+7.6=5.4+7.8=2.6+3.6=3.5-1.7=8.3-2.6=1.4-0.7=4.5+2.8=7.4+2.6=

3、6.2+1.4=5.4-2.6=2.3-1.4=3.7-1.8=5.2+1.6=3.6+0.8=0.66+1.4=6.5-5.8=0.72-0.49=0.42-0.28=0.24+0.19=2.4+1.3=4.5+2.3=0.72-0.27=0.78-0.32=0.65-0.04=0.23+0.16=0.29+0.15=0.16+0.19=4-1.2=7-4.6=6-0.37=0.28+0.27=0.75+0.42=2.3+1.9=8-0.64=2.7-0.8=0.65-0.4=0.91-0.6= 1.8-1.6=10-4.2=7.1-3.9=4.3-1.4=2.6-1.6= 0.8-0.3=

4、4.8-0.5=3.2-0.4=小數(shù)加減9.8-4.8=12-8.3=15.2-6.5=20.1-11.1 =13.34-10.32=6.52-0.48=6.3-5.1 =8.7-3.6=14.3-4.3=1.5+0.54=10-4.2=2.47+3.24=2.98+0.56=5.64-1.78=8.02+0.98=7.1-3.9=2.8+11.39=12.53+4.67=7.2-6.45=1.65+3.35=7.96-1.45=60-1.27=6.07+4.89=5-0.41 =0.9+0.5=2-0.7=1.2+4.3=0.12+0.3=5.4-2.7=6+2.9=3.7-1.7=4.2+

5、0.8=7.5+2.5=2.2+4.3=9.5-7.1 =3.5+1.6=5.2-2.8=7.8+1.6=9.6-4.1 =10-4.2=5.1-2.5=4.1-3.4=1.2+3.8=9.6-4.1 =7.8+1.6=3.5+1.6=4.4-1.4=2.9+2.1 =3.5+1.2=4.8-3.4=6.9-2.5=2.5+7.8=8-5.4=6.9-2.5=2+3.5=6.8-2.2=4.7+5.4=4.1+8.8=2.2+5.5=9.6-2.1 =1.7+3.8=7.4-3.6=0.8-0.23=1.6+2.4=4.7+3.5=1.2+3.6=1.5+3.8=2.8+1.2=7.3+2.7

6、=6.2-3.7=4.2-3.9=0.54+0.65=7.5-5.2=0.7+0.5=0.32+0.47=8.3-6.3=7.2+0.42=0.48+0.52=0.8-0.25=43.5-0.65=0.32-0.16=0.35+0.55=0.87-0.8=0.24-0.08=0.92-0.37=1.4+0.6=3.6+4.2=0.72-0.48=6.8+3.2=7.1-3.4=0.42+0.66=0.32+0.68=2.8+7.2=0.65+0.19=3.09+1.2=3.25+5.64=0.25+0.47= 0.82+0.18=7.8+2.4=0.45-0.18=0.4+0.16=8.2+1

7、.8=0.73+0.27=8-3.2=9小數(shù)加減（四）.8-4.8=3+2.4=2.8-0.9=小數(shù)加減（五）1.29-0.18=5.1-0.8=10-0.3=9+0.1 =8.9-4.9=6.8-0.7=8-0.72=6.6-3.4=6.4+1.3=1.2-0.8=7.3+6.2=8.7+3.6=12.3+0.7=0.8+9.2=4.7-1.9=5.1-3.9=1.4-0.6=3.8+6.4=0.6+7.45=4.9+0.1 =4.5+3.2=1.8+0.9=6.5+0.5=10.5-6.5=7.5+0.5=0.78-0.28=12.8-2.8=9.6-2.3=3.8+0.12=0.8-0.

8、08=10-7.4=7.5-3.2=0.42+0.58=0.8+0.15=2.5+0.4=8.2-2.6=1.4-0.7=2.5+4.6=9.1-6.7=0.5+9.8=2.03+1.2=6.7-2.6=8.6-4.9=7.2+5.9=1.3+2.03=8.7-3.6=9.46-7.21 =5.69-2.48=1.56+2.24=2.9+4.1 =3.5-1.25=小數(shù)加減（六）0.75 + 0.4= 20+0.78=4.8+4.2=5.7-3=4.9-1.7=1.34+0.8=2-0.75=8.7 + 0.03=0.2-0.09=8.5+2.5=3.4- 1.4=0.68+ 0.42=7.8

9、2-7.2=2+9.1=0.48+0.52=8.1 -5.1 =0.78- 0.24=0.8+0.18=0.89-0.25=1-0.98=6+ 6.6=0.7+ 0.9=0.9+ 0.1 =9.5-2.7=1-0.44 =1-0.8=1-0.55=0.9+ 1 =4.54=5.6+ 4=5.7+3.3=10-4.4=3.7+ 4.8=7+ 3.3=3.25+ 0.75=2.7+3.9=14.6-0.4=10- 0.1=14+ 0.78=3+2.7=5-0.08=1.64+ 2.35= 1.1-1 =8.34- 6.22=12.6+ 3.4=1.3+4.3=7.2+ 6.9=9.3-8.8=4.

10、4+ 15.99=19.8-5.6=96.3-56.2 =79.2 + 56.8=1.9 + 25.793=88-69.21=10-0.6=4.3+1.7=93.27-12.56=75.42-14.34=15.6+3.2=45.6+90.1 =103.27+96.7=30.48+4.295=小數(shù)加減（七） 脫式計算。8.56-4.65+8.29 10-1.39-4.2055.76+8.65-0.8960.6- (3.14+0.4)32.5+13.29-18.0424.5+ (3.74-0.98)18- (4.6+2.08) +0.024.69+3.02+0.04+2.7小數(shù)加減(八) 用簡便方

11、法計算。6.38+7.56+3.625.34+6.18+4.66+3.823.92+4.7+0.08+5.39.1+6.8+3.2+0.924.56-3.81-4.1959.2-1.43-8.57(3.38+2.75) +0.250.473+5.6+0.5272.8 X 0.7=13X 0.15=0.39X 0.6=0.38X 600=7.05X2.4=0.46X 7.9=89.3X 7.6=60.5X 400=12.5X8.2X 80.23X 1.4+0.23X8.60.125X (80+0.8)0.4X0.16X 2.55.6X 1017.85X 991.15X99+1.1516.2X 1

12、01 16.24.5X 7.8 + 5.5X 7.83.05X18=0.372.31 =46 18.9=40.5X 4.2=2.8+7.2X 0.810.34X 2.5 X 0.41.25X 11 X4X 0.88.93X 5.7+8.93X 3.3 + 8.934.82 X 1020.7X 0.46+0.7 X 0.5414.3X4.3=1.5 X 0.54=10X4.2=2.98X0.56=8.02X 0.98=7.1X 3.9=2.8X 11.3=12.5X4.6=7.2X 6.45=1.65X 3.3= 7.9X 1.45=60X1.27=6.07X4.8=5X 0.41 =0.9 X

13、 0.5=2X 0.7=1.2X4.3=5.4 X 2.7=6X 2.9=3.7X 1.7=4.2X 0.8=7.5X2.5=2.2X4.3=9.5X 7.1 =3.5 X 1.6=5.2 X 2.8=7.8X 1.6=9.6X4.1 =10X4.2=5.1 X2.5=4.1 X 3.4=1.2X 3.8=9.6X4.1 =7.8X 1.6=3.5X 1.6=4.4 X 1.4=2.9X 2.1 =3.5X 1.2=4.8X 3.4=6.9X2.5=2.5X7.8=8X5.4=6.9X 2.5=2X 3.5=6.8X2.2=4.7X 5.4=4.1 X 8.8=2.2 X 5.5=9.6X2.

14、1 =1.7 X 3.8=7.4X3.6=0.8X0.23=1.6X 2.4=4.7 X 3.5=1.2X 3.6=1.5X 3.8=2.8X 1.2= 7.3X 2.7=7.3X 2.7=6.2X 3.7=4.2 X 3.9=0.54X0.65=7.5X 5.2=0.7X 0.5=0.32X 0.47= 8.3X 6.3=7.2X 0.42=0.48 X 0.52=0.8X 0.25=43.5X 0.65=0.32X 0.16=0.35X0.55=0.87X 0.8=0.24 X 0.08=0.92X 0.37=1.4X 0.6=3.6X 4.2=0.72X0.48=6.8X 3.2=7.1

15、 X3.4=0.42X 0.66=0.32 X 0.68=2.8X 7.2=0.65X 0.19=3.09X 1.2=3.2X5.64=0.25X 0.47=0.82X 0.18=7.8X 2.4=0.45 X 0.18=0.4X 0.16=8.2 X 1.8=0.73X0.27= 8X 3.2=9.8X 4.8=3X 2.4=2.8X 0.9=1.29X0.18=5.1 X 0.8=10X0.3=8.9X 4.9=6.8X 0.7=8X 0.72=6.6 X 3.4= 6.4 X 1.3=1.2X 0.8=7.3X 6.2=8.7X 3.6= 12.3X 0.7=0.8X 9.2=4.7X

16、1.9=5.1X 3.9= 1.4 X 0.6=3.8X6.4=0.6X 7.45=4.9X 0.1= 4.5X 3.2=1.8 X 0.9=6.5X 0.5=10.5X 6.5=7.5X 0.5=0.78X 0.28=12.8X2.8=9.6X2.3=3.8X0.12=0.8X0.08=10X 7.4=7.5X 3.2=0.42X 0.58=0.8X0.15=2.5X 0.4=8.2X2.6=1.4X 0.7=2.5X4.6=0.5X 9.8=6.7X 2.6=7.2X 5.9=8.7 X 3.6=5.6X 2.48=2.9X4.1= 9.1 X 6.7=2.03X 1.2=8.6X 4.9

17、=1.3X2.03=9.46 X 7.2=1.56X 2.24=3.5X 1.25=0.75 X 0.4= 20 X 0.78=4.8 X 4.2=5.7X 3=4.9X 1.7= 1.34X 0.8=2X 0.75=8.7X 0.03=0.2X 0.09=8.5 X 2.5=3.4X 1.4=0.68X 0.42= 7.82X 7.2=2X 9.1=0.48X0.52=8.1 X 5.1 =0.78X 0.24= 0.8X 0.18= 0.89X 0.25= 1X 0.98=0.9X 0.1 =1 X0.8=4.5X4=5.6X4=5.7X 3.3=10X4.4=6X6.6=9.5X 2.7

18、=1X0.55=小學(xué)四年級數(shù)學(xué)上冊簡便運算練習(xí)題25X3X425X4X 325X 6X2 36X 258X 13X 12525X 7 X 419X 8X 12525X 13X 125X 3213X99125X25X 3225X 16X 25125X 56(25X 15)X 44X 25X 16X2512X2598X42101X 92125X 76X 8174X2525X 33X40102X 35 125X 19X 825X 125X 16125X 792125X3225 482008X 2512X4X 2525X 17X4025X 125X 8X4 138X 25X4(13X 125)X(3X8)50X(34X4)X328X4X 25125X 32X259X 72X12558X98(13X 125)X(3X 8)(12+24+80) X 5025X 32 X 125704X 25138X25X 475X24102X 7688 X 102125X 88 704X255X289X225X64X 1254X60X 50X 8(125X25) X 458X984X75X 25102X 7625K42X 468X 125X888X 12525X24103X 32 382 X 101-3824 39 X 2525X32X 125180X 12525X 44(25+15) X435X 8+