北师大版数学三年级下册口算练习(共8页).doc

精选优质文档-倾情为你奉上4.2+0.3= 10.5+1.2= 1.2+11.9= 8.84.3= 8.77.8=4.54.2= 16.8+3.2= 25+4.9= 8.62.9= 106.1=0.4+0.6= 4.5+5.4= 5.4+3.7= 9.73.5= 12.33.2=2.30.5= 12.3+6.9= 10+6.5= 18.41.8= 204.5=1+0.5= 4.2+15.6= 8.5+3.6= 16.53.4= 36.519.7=1.80.8= 4.9+11.7= 6+10.8= 28.516.7= 181.2=4.9+1.7= 12.4+3.5= 3.7+4.6= 7.82.6= 8.33.7=3.41.6= 2.9+14.3= 15+8.5= 29.88.8= 136.5=1.2+5.7= 6.8