Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	500	+		=	998
2.	400	+		=	744
3.	819	+		=	1.329
4.	599	+		=	911
5.	962	+		=	1.262
6.	755	+		=	1.114
7.	998	+		=	1.850
8.	584	+		=	996
9.	826	+		=	1.429
10.	748	+		=	1.468

Oefening 2
1.	875	+		=	1.406
2.	558	+		=	1.059
3.	704	+		=	1.053
4.	963	+		=	1.843
5.	702	+		=	1.318
6.	959	+		=	1.239
7.	770	+		=	1.215
8.	955	+		=	1.498
9.	692	+		=	1.115
10.	828	+		=	1.456

Oefening 3
1.	917	+		=	1.303
2.	609	+		=	989
3.	761	+		=	1.187
4.	796	+		=	1.070
5.	663	+		=	984
6.	825	+		=	1.536
7.	753	+		=	1.143
8.	961	+		=	1.228
9.	988	+		=	1.418
10.	928	+		=	1.156

Oefening 4
1.	558	+		=	1.028
2.	896	+		=	1.495
3.	772	+		=	1.305
4.	468	+		=	878
5.	935	+		=	1.870
6.	508	+		=	898
7.	598	+		=	918
8.	686	+		=	1.209
9.	477	+		=	881
10.	870	+		=	1.468

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	500	+	498	=	998
2.	400	+	344	=	744
3.	819	+	510	=	1.329
4.	599	+	312	=	911
5.	962	+	300	=	1.262
6.	755	+	359	=	1.114
7.	998	+	852	=	1.850
8.	584	+	412	=	996
9.	826	+	603	=	1.429
10.	748	+	720	=	1.468

Oefening 2
1.	875	+	531	=	1.406
2.	558	+	501	=	1.059
3.	704	+	349	=	1.053
4.	963	+	880	=	1.843
5.	702	+	616	=	1.318
6.	959	+	280	=	1.239
7.	770	+	445	=	1.215
8.	955	+	543	=	1.498
9.	692	+	423	=	1.115
10.	828	+	628	=	1.456

Oefening 3
1.	917	+	386	=	1.303
2.	609	+	380	=	989
3.	761	+	426	=	1.187
4.	796	+	274	=	1.070
5.	663	+	321	=	984
6.	825	+	711	=	1.536
7.	753	+	390	=	1.143
8.	961	+	267	=	1.228
9.	988	+	430	=	1.418
10.	928	+	228	=	1.156

Oefening 4
1.	558	+	470	=	1.028
2.	896	+	599	=	1.495
3.	772	+	533	=	1.305
4.	468	+	410	=	878
5.	935	+	935	=	1.870
6.	508	+	390	=	898
7.	598	+	320	=	918
8.	686	+	523	=	1.209
9.	477	+	404	=	881
10.	870	+	598	=	1.468