Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	381	+		=	756
2.	471	+		=	717
3.	391	+		=	771
4.	803	+		=	1.440
5.	501	+		=	992
6.	962	+		=	1.383
7.	523	+		=	835
8.	767	+		=	1.016
9.	627	+		=	881
10.	637	+		=	1.157

Oefening 2
1.	847	+		=	1.378
2.	936	+		=	1.237
3.	671	+		=	887
4.	996	+		=	1.587
5.	848	+		=	1.469
6.	531	+		=	790
7.	528	+		=	894
8.	802	+		=	1.354
9.	637	+		=	1.215
10.	429	+		=	691

Oefening 3
1.	687	+		=	1.088
2.	441	+		=	823
3.	323	+		=	588
4.	509	+		=	874
5.	968	+		=	1.723
6.	845	+		=	1.367
7.	679	+		=	1.275
8.	755	+		=	1.345
9.	688	+		=	1.236
10.	888	+		=	1.154

Oefening 4
1.	892	+		=	1.698
2.	864	+		=	1.612
3.	315	+		=	607
4.	428	+		=	761
5.	981	+		=	1.483
6.	969	+		=	1.173
7.	982	+		=	1.419
8.	809	+		=	1.445
9.	801	+		=	1.317
10.	733	+		=	942

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	381	+	375	=	756
2.	471	+	246	=	717
3.	391	+	380	=	771
4.	803	+	637	=	1.440
5.	501	+	491	=	992
6.	962	+	421	=	1.383
7.	523	+	312	=	835
8.	767	+	249	=	1.016
9.	627	+	254	=	881
10.	637	+	520	=	1.157

Oefening 2
1.	847	+	531	=	1.378
2.	936	+	301	=	1.237
3.	671	+	216	=	887
4.	996	+	591	=	1.587
5.	848	+	621	=	1.469
6.	531	+	259	=	790
7.	528	+	366	=	894
8.	802	+	552	=	1.354
9.	637	+	578	=	1.215
10.	429	+	262	=	691

Oefening 3
1.	687	+	401	=	1.088
2.	441	+	382	=	823
3.	323	+	265	=	588
4.	509	+	365	=	874
5.	968	+	755	=	1.723
6.	845	+	522	=	1.367
7.	679	+	596	=	1.275
8.	755	+	590	=	1.345
9.	688	+	548	=	1.236
10.	888	+	266	=	1.154

Oefening 4
1.	892	+	806	=	1.698
2.	864	+	748	=	1.612
3.	315	+	292	=	607
4.	428	+	333	=	761
5.	981	+	502	=	1.483
6.	969	+	204	=	1.173
7.	982	+	437	=	1.419
8.	809	+	636	=	1.445
9.	801	+	516	=	1.317
10.	733	+	209	=	942