Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	883	+		=	1.295
2.	874	+		=	1.223
3.	484	+		=	914
4.	764	+		=	1.435
5.	621	+		=	1.185
6.	443	+		=	672
7.	913	+		=	1.763
8.	456	+		=	808
9.	835	+		=	1.623
10.	837	+		=	1.063

Oefening 2
1.	696	+		=	1.015
2.	521	+		=	764
3.	728	+		=	1.033
4.	920	+		=	1.392
5.	867	+		=	1.529
6.	975	+		=	1.340
7.	347	+		=	591
8.	941	+		=	1.225
9.	578	+		=	830
10.	946	+		=	1.862

Oefening 3
1.	853	+		=	1.657
2.	786	+		=	1.315
3.	991	+		=	1.705
4.	926	+		=	1.152
5.	458	+		=	817
6.	567	+		=	794
7.	962	+		=	1.514
8.	914	+		=	1.397
9.	315	+		=	552
10.	876	+		=	1.102

Oefening 4
1.	927	+		=	1.525
2.	866	+		=	1.391
3.	492	+		=	904
4.	988	+		=	1.418
5.	419	+		=	729
6.	475	+		=	695
7.	971	+		=	1.914
8.	974	+		=	1.867
9.	804	+		=	1.125
10.	863	+		=	1.683

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	883	+	412	=	1.295
2.	874	+	349	=	1.223
3.	484	+	430	=	914
4.	764	+	671	=	1.435
5.	621	+	564	=	1.185
6.	443	+	229	=	672
7.	913	+	850	=	1.763
8.	456	+	352	=	808
9.	835	+	788	=	1.623
10.	837	+	226	=	1.063

Oefening 2
1.	696	+	319	=	1.015
2.	521	+	243	=	764
3.	728	+	305	=	1.033
4.	920	+	472	=	1.392
5.	867	+	662	=	1.529
6.	975	+	365	=	1.340
7.	347	+	244	=	591
8.	941	+	284	=	1.225
9.	578	+	252	=	830
10.	946	+	916	=	1.862

Oefening 3
1.	853	+	804	=	1.657
2.	786	+	529	=	1.315
3.	991	+	714	=	1.705
4.	926	+	226	=	1.152
5.	458	+	359	=	817
6.	567	+	227	=	794
7.	962	+	552	=	1.514
8.	914	+	483	=	1.397
9.	315	+	237	=	552
10.	876	+	226	=	1.102

Oefening 4
1.	927	+	598	=	1.525
2.	866	+	525	=	1.391
3.	492	+	412	=	904
4.	988	+	430	=	1.418
5.	419	+	310	=	729
6.	475	+	220	=	695
7.	971	+	943	=	1.914
8.	974	+	893	=	1.867
9.	804	+	321	=	1.125
10.	863	+	820	=	1.683