Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	477	+		=	947
2.	997	+		=	1.652
3.	303	+		=	594
4.	730	+		=	1.183
5.	989	+		=	1.340
6.	803	+		=	1.423
7.	583	+		=	1.142
8.	960	+		=	1.771
9.	912	+		=	1.600
10.	292	+		=	549

Oefening 2
1.	807	+		=	1.514
2.	885	+		=	1.711
3.	448	+		=	885
4.	924	+		=	1.627
5.	987	+		=	1.805
6.	466	+		=	837
7.	466	+		=	837
8.	882	+		=	1.586
9.	917	+		=	1.161
10.	826	+		=	1.564

Oefening 3
1.	740	+		=	1.200
2.	825	+		=	1.431
3.	541	+		=	817
4.	341	+		=	551
5.	532	+		=	971
6.	382	+		=	671
7.	736	+		=	1.082
8.	920	+		=	1.178
9.	857	+		=	1.525
10.	974	+		=	1.872

Oefening 4
1.	755	+		=	1.156
2.	962	+		=	1.374
3.	377	+		=	685
4.	954	+		=	1.660
5.	808	+		=	1.110
6.	893	+		=	1.546
7.	922	+		=	1.181
8.	974	+		=	1.313
9.	839	+		=	1.114
10.	829	+		=	1.215

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	477	+	470	=	947
2.	997	+	655	=	1.652
3.	303	+	291	=	594
4.	730	+	453	=	1.183
5.	989	+	351	=	1.340
6.	803	+	620	=	1.423
7.	583	+	559	=	1.142
8.	960	+	811	=	1.771
9.	912	+	688	=	1.600
10.	292	+	257	=	549

Oefening 2
1.	807	+	707	=	1.514
2.	885	+	826	=	1.711
3.	448	+	437	=	885
4.	924	+	703	=	1.627
5.	987	+	818	=	1.805
6.	466	+	371	=	837
7.	466	+	371	=	837
8.	882	+	704	=	1.586
9.	917	+	244	=	1.161
10.	826	+	738	=	1.564

Oefening 3
1.	740	+	460	=	1.200
2.	825	+	606	=	1.431
3.	541	+	276	=	817
4.	341	+	210	=	551
5.	532	+	439	=	971
6.	382	+	289	=	671
7.	736	+	346	=	1.082
8.	920	+	258	=	1.178
9.	857	+	668	=	1.525
10.	974	+	898	=	1.872

Oefening 4
1.	755	+	401	=	1.156
2.	962	+	412	=	1.374
3.	377	+	308	=	685
4.	954	+	706	=	1.660
5.	808	+	302	=	1.110
6.	893	+	653	=	1.546
7.	922	+	259	=	1.181
8.	974	+	339	=	1.313
9.	839	+	275	=	1.114
10.	829	+	386	=	1.215