概要:p{text-indent:2em} 13-3= 8+5= 19-4= 19-18= 7-4= 6+13= 17-3= 1+17= 20-6= 7-2= 5-2= 7+3= 14-2= 15+4= 14-8= 17-6= 11-2= 20-15= 6+2= 11-8=
一年级20以内口算题4,标签:一年级数学配套试卷大全,http://www.youer8.com13-3= 8+5= 19-4=
19-18= 7-4= 6+13=
17-3= 1+17= 20-6=
7-2= 5-2= 7+3=
14-2= 15+4= 14-8=
17-6= 11-2= 20-15=
6+2= 11-8= 9-4=
16-6= 14+1= 2+5=
2+17= 2+10= 8+12=
14+3= 8-2= 17+1=
20-5= 18-13= 11-9=
18-15= 15-9= 1+8=
19-14= 10+5= 19-12=