苏教版小数加减的练习题

1、小数加减（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=小数加减（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=小数加减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小数加减（四）.8-4.8=3+2.4=2.8-0.9=小数加减（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=小数加减（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=小数加减（七） 脱式计算。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小数加减(八) 用简便方

11、法计算。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=小学四年级数学上册简便运算练习题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+