Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	972	+		=	1.279
2.	778	+		=	1.463
3.	804	+		=	1.469
4.	901	+		=	1.549
5.	911	+		=	1.483
6.	643	+		=	900
7.	801	+		=	1.545
8.	939	+		=	1.140
9.	810	+		=	1.576
10.	994	+		=	1.879

Oefening 2
1.	846	+		=	1.166
2.	911	+		=	1.778
3.	657	+		=	1.020
4.	879	+		=	1.267
5.	903	+		=	1.689
6.	787	+		=	1.311
7.	662	+		=	1.064
8.	413	+		=	813
9.	720	+		=	1.386
10.	939	+		=	1.391

Oefening 3
1.	400	+		=	608
2.	948	+		=	1.293
3.	389	+		=	649
4.	396	+		=	621
5.	762	+		=	1.229
6.	779	+		=	1.395
7.	369	+		=	718
8.	799	+		=	1.449
9.	542	+		=	876
10.	423	+		=	792

Oefening 4
1.	800	+		=	1.153
2.	817	+		=	1.220
3.	835	+		=	1.108
4.	682	+		=	1.200
5.	654	+		=	1.186
6.	926	+		=	1.422
7.	855	+		=	1.650
8.	731	+		=	1.206
9.	799	+		=	1.415
10.	826	+		=	1.324

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	972	+	307	=	1.279
2.	778	+	685	=	1.463
3.	804	+	665	=	1.469
4.	901	+	648	=	1.549
5.	911	+	572	=	1.483
6.	643	+	257	=	900
7.	801	+	744	=	1.545
8.	939	+	201	=	1.140
9.	810	+	766	=	1.576
10.	994	+	885	=	1.879

Oefening 2
1.	846	+	320	=	1.166
2.	911	+	867	=	1.778
3.	657	+	363	=	1.020
4.	879	+	388	=	1.267
5.	903	+	786	=	1.689
6.	787	+	524	=	1.311
7.	662	+	402	=	1.064
8.	413	+	400	=	813
9.	720	+	666	=	1.386
10.	939	+	452	=	1.391

Oefening 3
1.	400	+	208	=	608
2.	948	+	345	=	1.293
3.	389	+	260	=	649
4.	396	+	225	=	621
5.	762	+	467	=	1.229
6.	779	+	616	=	1.395
7.	369	+	349	=	718
8.	799	+	650	=	1.449
9.	542	+	334	=	876
10.	423	+	369	=	792

Oefening 4
1.	800	+	353	=	1.153
2.	817	+	403	=	1.220
3.	835	+	273	=	1.108
4.	682	+	518	=	1.200
5.	654	+	532	=	1.186
6.	926	+	496	=	1.422
7.	855	+	795	=	1.650
8.	731	+	475	=	1.206
9.	799	+	616	=	1.415
10.	826	+	498	=	1.324