小学一年级20以内口算卡片制作.xls

文档介绍：19-1= 18-1=
19-2= 18-2=
19-3= 18-3=
19-4= 18-4=
19-5= 18-5=
19-6= 18-6=
19-7= 18-7=
19-8= 18-8=
19-9= 1819-1= 18-1=
19-2= 18-2=
19-3= 18-3=
19-4= 18-4=
19-5= 18-5=
19-6= 18-6=
19-7= 18-7=
19-8= 18-8=
19-9= 18-9=
19-10= 18-10=
19-11= 18-11=
19-12= 18-12=
19-13= 18-13=
19-14= 18-14=
19-15= 18-15=
19-16= 18-16=
19-17= 18-17=
19-18= 18-18=
19-19= 18-19=
17-1= 16-1=
17-2= 16-2=
17-3= 16-3=
17-4= 16-4=
17-5= 16-5=
17-6= 16-6=
17-7= 16-7=
17-8= 16-8=
17-9= 16-9=
17-10= 16-10=
17-11= 16-11=
17-12= 16-12=
17-13= 16-13=
17-14= 16-14=
17-15= 16-15=
17-16= 16-16=
17-17= 16-17=
17-18= 16-18=
17-19= 16-19=
15-1= 14-1=
15-2= 14-2=
15-3= 14-3=
15-4= 14-4=
15-