Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	980	+		=	1.615
2.	660	+		=	1.254
3.	488	+		=	767
4.	642	+		=	928
5.	945	+		=	1.311
6.	901	+		=	1.800
7.	565	+		=	820
8.	881	+		=	1.468
9.	803	+		=	1.530
10.	864	+		=	1.188

Oefening 2
1.	676	+		=	1.274
2.	706	+		=	1.245
3.	914	+		=	1.669
4.	973	+		=	1.886
5.	862	+		=	1.538
6.	792	+		=	1.011
7.	865	+		=	1.525
8.	921	+		=	1.393
9.	734	+		=	1.124
10.	672	+		=	1.290

Oefening 3
1.	713	+		=	1.337
2.	952	+		=	1.902
3.	395	+		=	595
4.	739	+		=	1.232
5.	813	+		=	1.375
6.	973	+		=	1.491
7.	841	+		=	1.574
8.	699	+		=	1.116
9.	552	+		=	936
10.	742	+		=	1.353

Oefening 4
1.	328	+		=	650
2.	830	+		=	1.256
3.	970	+		=	1.434
4.	592	+		=	881
5.	998	+		=	1.784
6.	679	+		=	1.037
7.	987	+		=	1.862
8.	872	+		=	1.716
9.	676	+		=	916
10.	994	+		=	1.497

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	980	+	635	=	1.615
2.	660	+	594	=	1.254
3.	488	+	279	=	767
4.	642	+	286	=	928
5.	945	+	366	=	1.311
6.	901	+	899	=	1.800
7.	565	+	255	=	820
8.	881	+	587	=	1.468
9.	803	+	727	=	1.530
10.	864	+	324	=	1.188

Oefening 2
1.	676	+	598	=	1.274
2.	706	+	539	=	1.245
3.	914	+	755	=	1.669
4.	973	+	913	=	1.886
5.	862	+	676	=	1.538
6.	792	+	219	=	1.011
7.	865	+	660	=	1.525
8.	921	+	472	=	1.393
9.	734	+	390	=	1.124
10.	672	+	618	=	1.290

Oefening 3
1.	713	+	624	=	1.337
2.	952	+	950	=	1.902
3.	395	+	200	=	595
4.	739	+	493	=	1.232
5.	813	+	562	=	1.375
6.	973	+	518	=	1.491
7.	841	+	733	=	1.574
8.	699	+	417	=	1.116
9.	552	+	384	=	936
10.	742	+	611	=	1.353

Oefening 4
1.	328	+	322	=	650
2.	830	+	426	=	1.256
3.	970	+	464	=	1.434
4.	592	+	289	=	881
5.	998	+	786	=	1.784
6.	679	+	358	=	1.037
7.	987	+	875	=	1.862
8.	872	+	844	=	1.716
9.	676	+	240	=	916
10.	994	+	503	=	1.497