Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	816	+		=	1.361
2.	277	+		=	490
3.	689	+		=	963
4.	866	+		=	1.191
5.	988	+		=	1.516
6.	406	+		=	611
7.	629	+		=	994
8.	877	+		=	1.567
9.	547	+		=	920
10.	970	+		=	1.675

Oefening 2
1.	981	+		=	1.839
2.	785	+		=	1.036
3.	997	+		=	1.954
4.	445	+		=	748
5.	881	+		=	1.320
6.	837	+		=	1.363
7.	853	+		=	1.149
8.	557	+		=	978
9.	998	+		=	1.239
10.	996	+		=	1.908

Oefening 3
1.	866	+		=	1.610
2.	777	+		=	1.054
3.	527	+		=	889
4.	899	+		=	1.311
5.	752	+		=	994
6.	870	+		=	1.596
7.	936	+		=	1.300
8.	820	+		=	1.511
9.	720	+		=	968
10.	963	+		=	1.315

Oefening 4
1.	455	+		=	785
2.	722	+		=	1.028
3.	491	+		=	967
4.	814	+		=	1.132
5.	714	+		=	1.255
6.	662	+		=	1.101
7.	914	+		=	1.770
8.	774	+		=	1.275
9.	597	+		=	924
10.	719	+		=	972

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	816	+	545	=	1.361
2.	277	+	213	=	490
3.	689	+	274	=	963
4.	866	+	325	=	1.191
5.	988	+	528	=	1.516
6.	406	+	205	=	611
7.	629	+	365	=	994
8.	877	+	690	=	1.567
9.	547	+	373	=	920
10.	970	+	705	=	1.675

Oefening 2
1.	981	+	858	=	1.839
2.	785	+	251	=	1.036
3.	997	+	957	=	1.954
4.	445	+	303	=	748
5.	881	+	439	=	1.320
6.	837	+	526	=	1.363
7.	853	+	296	=	1.149
8.	557	+	421	=	978
9.	998	+	241	=	1.239
10.	996	+	912	=	1.908

Oefening 3
1.	866	+	744	=	1.610
2.	777	+	277	=	1.054
3.	527	+	362	=	889
4.	899	+	412	=	1.311
5.	752	+	242	=	994
6.	870	+	726	=	1.596
7.	936	+	364	=	1.300
8.	820	+	691	=	1.511
9.	720	+	248	=	968
10.	963	+	352	=	1.315

Oefening 4
1.	455	+	330	=	785
2.	722	+	306	=	1.028
3.	491	+	476	=	967
4.	814	+	318	=	1.132
5.	714	+	541	=	1.255
6.	662	+	439	=	1.101
7.	914	+	856	=	1.770
8.	774	+	501	=	1.275
9.	597	+	327	=	924
10.	719	+	253	=	972