Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	274	+		=	482
2.	602	+		=	919
3.	546	+		=	752
4.	849	+		=	1.372
5.	744	+		=	1.233
6.	943	+		=	1.562
7.	991	+		=	1.409
8.	944	+		=	1.592
9.	369	+		=	658
10.	650	+		=	1.245

Oefening 2
1.	468	+		=	883
2.	793	+		=	1.463
3.	820	+		=	1.532
4.	776	+		=	1.069
5.	919	+		=	1.128
6.	781	+		=	1.453
7.	777	+		=	1.323
8.	371	+		=	638
9.	819	+		=	1.472
10.	548	+		=	1.077

Oefening 3
1.	501	+		=	720
2.	727	+		=	1.103
3.	791	+		=	1.184
4.	962	+		=	1.305
5.	397	+		=	682
6.	734	+		=	1.460
7.	543	+		=	823
8.	719	+		=	1.195
9.	985	+		=	1.787
10.	407	+		=	736

Oefening 4
1.	871	+		=	1.590
2.	742	+		=	1.238
3.	994	+		=	1.961
4.	982	+		=	1.635
5.	684	+		=	1.321
6.	881	+		=	1.573
7.	982	+		=	1.260
8.	805	+		=	1.272
9.	562	+		=	888
10.	773	+		=	1.275

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	274	+	208	=	482
2.	602	+	317	=	919
3.	546	+	206	=	752
4.	849	+	523	=	1.372
5.	744	+	489	=	1.233
6.	943	+	619	=	1.562
7.	991	+	418	=	1.409
8.	944	+	648	=	1.592
9.	369	+	289	=	658
10.	650	+	595	=	1.245

Oefening 2
1.	468	+	415	=	883
2.	793	+	670	=	1.463
3.	820	+	712	=	1.532
4.	776	+	293	=	1.069
5.	919	+	209	=	1.128
6.	781	+	672	=	1.453
7.	777	+	546	=	1.323
8.	371	+	267	=	638
9.	819	+	653	=	1.472
10.	548	+	529	=	1.077

Oefening 3
1.	501	+	219	=	720
2.	727	+	376	=	1.103
3.	791	+	393	=	1.184
4.	962	+	343	=	1.305
5.	397	+	285	=	682
6.	734	+	726	=	1.460
7.	543	+	280	=	823
8.	719	+	476	=	1.195
9.	985	+	802	=	1.787
10.	407	+	329	=	736

Oefening 4
1.	871	+	719	=	1.590
2.	742	+	496	=	1.238
3.	994	+	967	=	1.961
4.	982	+	653	=	1.635
5.	684	+	637	=	1.321
6.	881	+	692	=	1.573
7.	982	+	278	=	1.260
8.	805	+	467	=	1.272
9.	562	+	326	=	888
10.	773	+	502	=	1.275