Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	665	+		=	905
2.	914	+		=	1.282
3.	796	+		=	1.523
4.	661	+		=	1.318
5.	909	+		=	1.527
6.	720	+		=	1.282
7.	943	+		=	1.690
8.	899	+		=	1.586
9.	674	+		=	1.082
10.	494	+		=	928

Oefening 2
1.	997	+		=	1.885
2.	950	+		=	1.494
3.	850	+		=	1.463
4.	950	+		=	1.173
5.	666	+		=	1.119
6.	775	+		=	999
7.	492	+		=	816
8.	400	+		=	769
9.	735	+		=	961
10.	797	+		=	1.389

Oefening 3
1.	973	+		=	1.864
2.	519	+		=	1.004
3.	566	+		=	775
4.	835	+		=	1.365
5.	349	+		=	664
6.	706	+		=	1.113
7.	772	+		=	1.059
8.	934	+		=	1.381
9.	805	+		=	1.136
10.	984	+		=	1.868

Oefening 4
1.	841	+		=	1.256
2.	889	+		=	1.330
3.	674	+		=	1.240
4.	779	+		=	1.319
5.	950	+		=	1.889
6.	627	+		=	839
7.	676	+		=	1.054
8.	669	+		=	1.112
9.	817	+		=	1.138
10.	959	+		=	1.542

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	665	+	240	=	905
2.	914	+	368	=	1.282
3.	796	+	727	=	1.523
4.	661	+	657	=	1.318
5.	909	+	618	=	1.527
6.	720	+	562	=	1.282
7.	943	+	747	=	1.690
8.	899	+	687	=	1.586
9.	674	+	408	=	1.082
10.	494	+	434	=	928

Oefening 2
1.	997	+	888	=	1.885
2.	950	+	544	=	1.494
3.	850	+	613	=	1.463
4.	950	+	223	=	1.173
5.	666	+	453	=	1.119
6.	775	+	224	=	999
7.	492	+	324	=	816
8.	400	+	369	=	769
9.	735	+	226	=	961
10.	797	+	592	=	1.389

Oefening 3
1.	973	+	891	=	1.864
2.	519	+	485	=	1.004
3.	566	+	209	=	775
4.	835	+	530	=	1.365
5.	349	+	315	=	664
6.	706	+	407	=	1.113
7.	772	+	287	=	1.059
8.	934	+	447	=	1.381
9.	805	+	331	=	1.136
10.	984	+	884	=	1.868

Oefening 4
1.	841	+	415	=	1.256
2.	889	+	441	=	1.330
3.	674	+	566	=	1.240
4.	779	+	540	=	1.319
5.	950	+	939	=	1.889
6.	627	+	212	=	839
7.	676	+	378	=	1.054
8.	669	+	443	=	1.112
9.	817	+	321	=	1.138
10.	959	+	583	=	1.542