(完整版)苏教版小学数学六年级下册口算训练

1、苏教版小学数学六年级下册口算训练、口算。3.14 X2=3.143=3.144=3.145=3.14 X6=3.147=3.148=3.149=3.14 X10=3.1420=3.141.5 =3.141003.14 X500=3.14X0.6=3.140.5 =3.1480 =92 =102 _112122132142 =152 _162172182202 =252 _302502100212 1.5 =12x 3=124=120.5=125=12 6=127=128=129=133=13 4=135=136=137=14X 1.5 =14 3=144=145=140.5=146=14X7=

2、153=154=155=156=15X7=16X0.5=16X1.5162=163=16 4=165=172=173=174=17 5=182=183=184=185=19 2=193=194=195=205=22 0.5=22x 1.5 =233=234=243=24X4=24 X5 =25 X 3=25 X 4=26 X2=26X3= 27 X2=27 X3=28 X2=28 X 3=5.1 +17=0.23 X3=0.5+100=8.5 +17=0.57+1.53=0.91 +0.13=7+1.4=3.14X 1 =3.14X 5=3.14X 9=3.14 + 3.14=15.7 +3.

3、14=18.84 +3.14=28.26+3.14=3.14X 1 2 =2X3.14 X5=2X 3.14 X4.5=4X3.14 X5=2.54=1.50.6=8.8+1.1 =0.10.1=65+50=7.06+2=5+0.2=3.143.143.141.25 X8=0.171.23+3=1.26.9+2.3=1.32.36-0.99=3.40.72X5=0.16+0.8=4=X3=X7= x 3=25.120.84X2=3.146=3.1410=3.146.28 +3.14=21.98 +3.14=3.14 X22 =9.42+3.14 + 3=3=X7=x 9=X0.4=1.14+0

4、.98=8.7+2.9=7.9-0.6=3.14X4=3.14X8=3.144=9.42 +3.14=+ 3.14=3.14 X32 =23.142.5=15.7 +3.14 +5=2X3.14 X2=0.4 0.31 =3+ 1 =2 +4 =3 -=447 +3 =92+1 =34 . L =0.5188=32.8 +19 =5.2+ 1.3=1.6105x 0.4 =5104.9 X0.7 =16+12=0.87 -0.49=17X40=10 3.2+1.68 =2.8>14-7.4 =1.92 +0.04=0.32X 500=0.65+4.35 =10=43.5 X200 =+

5、20 =1.5-0.06 =0.75+15= 0.4X0.8X 0.25 =0.36+ 1.54 =1.01X99 =3 +3:4=1:5=19:76=16:32=418:24=6:4=2:3=4:8=15:5=55:11 =56:28=78:39=0.01:7=1:0.3=9:0.9=4:1.6=50:4=6:4=0.4:0.7=0.3:5=0.1:3.4=0.36:0.18=9:12=4.5:6=9:4.5=0.6:3=6:24=2:6=12:24=16:18=10:6=1.5:30=1.4X0.6=+ 17-5.4784231+ 5 =0.4 =43.14X2=3.14x 10=3.14

6、X 5=3.14X8=3.14 X6=3.14X7=3.14X 9=3.14X3=3.14X 4=3.14=12.56-3.14=5.7-3.14= 9.42-425.12 -3.14= 6283.14=-3.14=188.4-3.14= 18.84-43.14X 12 =3.14X 22 =3.14x 32=2X 3.14 X5=2X 3.14 X 4.5= 9.42 -3.14 -3= 2 X3.14 X 2,5= 4 X 3.14 X5=15.7 -3.14 -5= 2 X3.14 X 2=0.4-0.31=1,4X0,6=二、将下列分数先化成小数，再化成百分数。1()=(<)-()=( )243()=4()1=()= 5=( )|()=5()3()5=()4()= 5()1 ()8=()3 ( )：8=()5 ()8=()7 ( )：8=()-()16=()三、巧算。12-6.2-3.8=12.5 X 9-12.5=25X3.9 X 0.4=8.9+3.8+1.1=0.