四年级小数口算练习题

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1、精品文档四年级小数口算练习题0.9＋0.8=1-0.3=.4-1.5=1.9-0.9=.5-2.4=0.36+0.64=3.5+.2=-0.5=2.7-0.4=0.8+0.7=4.5-3=.8-1.1=1.5－0.5=1－0.9=.3＋0.6=0.9＋0.8=1.9－0.9=.-2.4=0.36＋0.64=0.96－0.3=.65－6.31=.5+0.9=1.2-0.5=.8+1.6=0.39+0.15=3-1.4=.7-2.8=7.2-6.45=15-0.48=.77-1.78=3.45+5.75=.40+58.20=49.80+49.20=111.6-99=7.

2、8+21.02=.6-1.42=12.5+0.9=4.5-2.83=.75+2.25=2.98+0.56=12.53+4.67=.07+4.89=5.64-1.78=10.2-6.45=-0.41=0.3+1.5=.5+9.8=.6+1.3=4.4+5.7=.3+7.7=.7+3.1=7.69+2.31=.16+2.64=.68+12.22=16.8+16.5=6.3+14.6=.9+3.4=2.3+64.7=12.75-5.3=.24+16.93=0.75＋0.4=0＋0.78=.8＋4.2=5.7－3=.9－1.7=1.34＋0.8=－0.75=.7＋0.03=

3、2016全新精品资料-全新公文范文-全程指导写作–独家原创14/14精品文档0.2－0.09=8.5＋2.5=.4－1.4=0.68＋0.42=7.82－7.2=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=0.9＋0.1=1－0.8=.5－4=5.6＋4=10－4.4=6＋6.6=9.5－2.7=1－0.55=.7＋4.8=＋3.3=3．25＋0．75=.7＋3.9=0．7＋0．9=0.9＋1=14．6－0．4=10－0．1=14＋0．78=3＋2.7=5－0．08=1．64＋2．35=1．

4、1－1=．34－6．22=1.3＋4.3=.2＋6.9=.3－8.8=4.4＋15.99=19.8－5.6=96.3－56.=.2＋56.8=1.9＋25.793=8－69.21=136.5－105=3.4+52.1=3.1-20.9=3.1-11=0.33+9.8=7.8+6.9=0.2+2.7=5.6+4.4=.4+0.06=0.7+0.4=0.5－0.45=10－0.1=1.8－0.9=12.6－1.2=17+0.33=1.01+0.6=7－0.05=9－0.26=6.14+3.83=.93-1.64=5.23-2.36=3.44+3.36=.63-3.48=

5、1.16+4.77=7.74-5.85=.35-4.74=4.93+4.75=8.17-5.26=.26-0.86=2016全新精品资料-全新公文范文-全程指导写作–独家原创14/14精品文档.55+4.68=1.1+4.5=1.9+3.4=.45+4.6=4.45+4.5=.4-2.75=.3-1.26=3.83+5.55=.75+1.3=.6-2.15=1.9+6.2=7.1-6.6=.8-2.8=4.4+1.4=1.7+9.66=43.3+6.3=55.5-1.9=8.9-5.55=64.41+8.67=0.7＋0.9=.84.1－3.8=141.3+8.56

6、=30.5+3.05=0.8-0.45=.250.78+2.2=-0.08=10-0.1=10－7.64=13.61.23+6.52=1.23+5.69=7.26-4.93=.16-0.23=.63+8.9=9.28+7.32=.2-0.9=2.65+9.32=7.65-6.23=6.23-4.53=4.62+8.95=.24+6.21=3.8-2.3=＋0.6=.24+3.76=＋0.78=14.6-0.34=0.8-0.55=＋8.46=0.995.32-0.93=.28+4.75=.52+4.65=1-0.03=＋0.75=＋1.1=.35-5.23=0.96

7、-0.23=.23+5.45=5.2+2.63=2016全新精品资料-全新公文范文-全程指导写作–独家原创14/14精品文档1.26+5.21=0.7＋0.9=0.8＋0.6=.24＋3.76=4.1－3.8=14＋0.78=14.6－0.34=1.3＋8.56=0.8－0.55=10－0.1=4－0.04=1－0.03=0.5＋3.05=0.8－0.45=0.78＋2.2=－0.08=3.25＋0.75=.6513.6＋8.46=0.996.82+15.55=23.75+8.64=3.45+8.7=27.38-5.34=2.62+4.66=.5+9.63=4.