A16 小学一年级数学20以内连减法口算题电子版31页2480道题每页80道排版好

大树教育张老师

20以内连减口算
1.	17-8-7=		21.	15-5-2=		41.	15-10-2=		61.	18-17-1=
2.	20-9-11=		22.	18-6-9=		42.	20-6-3=		62.	18-17-1=
3.	18-0-8=		23.	11-1-2=		43.	14-12-2=		63.	15-7-5=
4.	13-2-1=		24.	18-17-1=		44.	18-3-7=		64.	14-4-7=
5.	13-2-7=		25.	14-12-1=		45.	18-7-8=		65.	18-2-13=
6.	19-9-7=		26.	14-12-1=		46.	15-3-1=		66.	17-15-1=
7.	13-5-6=		27.	16-12-4=		47.	12-4-2=		67.	16-8-8=
8.	15-5-9=		28.	19-3-11=		48.	12-3-6=		68.	17-3-8=
9.	17-12-4=		29.	19-0-5=		49.	14-5-9=		69.	19-3-10=
10.	11-0-7=		30.	16-2-3=		50.	16-6-10=		70.	14-5-7=
11.	20-6-12=		31.	19-8-4=		51.	19-8-9=		71.	18-12-3=
12.	11-3-1=		32.	11-0-11=		52.	18-14-3=		72.	18-13-1=
13.	17-3-9=		33.	20-2-7=		53.	11-7-4=		73.	18-16-1=
14.	16-2-8=		34.	20-6-12=		54.	13-8-3=		74.	12-7-4=
15.	13-6-5=		35.	16-5-11=		55.	19-12-7=		75.	20-15-4=
16.	20-10-2=		36.	15-5-7=		56.	19-3-7=		76.	15-14-1=
17.	20-3-17=		37.	17-14-3=		57.	12-2-8=		77.	13-8-3=
18.	18-5-9=		38.	18-7-8=		58.	20-12-1=		78.	20-17-1=
19.	12-0-11=		39.	19-14-2=		59.	12-8-3=		79.	11-7-3=
20.	18-5-7=		40.	11-10-1=		60.	12-10-2=		80.	15-6-1=