四年级数学上册小数加减计算专项练习(共2页).doc

精选优质文档-倾情为你奉上四年级数学下册小数加减法综合计算专项一、直接写出得数。（每题1分）2.05-1.5= 3.31+0.7= 10.6+0.9= 0.2+0.21=0.98-0.08= 16-0.6= 1.42+1.6= 10.6+0.5=1.08-0.4= 1.1-0.85= 4.33-1.22= 8.05-1.05=1.41+1.6= 3+0.07= 1-0.89= 18.9-8=二、列竖式计算。（每题3分）14.33+5.46= 12.59+7.03= 25.7-12.2=3.3+22.75= 14.9+3.49= 12.756.039= 13.01-3.1= 89-9.57= 16.35+3.59=三脱式计算（ 每题5分）87.193.83