Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	394	+		=	744
2.	831	+		=	1.419
3.	844	+		=	1.454
4.	447	+		=	734
5.	898	+		=	1.523
6.	526	+		=	890
7.	257	+		=	479
8.	486	+		=	719
9.	946	+		=	1.454
10.	916	+		=	1.567

Oefening 2
1.	460	+		=	792
2.	785	+		=	1.318
3.	533	+		=	934
4.	838	+		=	1.135
5.	739	+		=	1.280
6.	533	+		=	881
7.	898	+		=	1.577
8.	588	+		=	1.084
9.	543	+		=	868
10.	541	+		=	971

Oefening 3
1.	870	+		=	1.698
2.	437	+		=	693
3.	465	+		=	863
4.	945	+		=	1.444
5.	793	+		=	1.225
6.	766	+		=	1.231
7.	666	+		=	1.038
8.	823	+		=	1.608
9.	655	+		=	1.018
10.	541	+		=	1.011

Oefening 4
1.	826	+		=	1.458
2.	234	+		=	446
3.	774	+		=	1.249
4.	581	+		=	835
5.	690	+		=	1.086
6.	575	+		=	884
7.	717	+		=	997
8.	936	+		=	1.250
9.	978	+		=	1.689
10.	884	+		=	1.411

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	394	+	350	=	744
2.	831	+	588	=	1.419
3.	844	+	610	=	1.454
4.	447	+	287	=	734
5.	898	+	625	=	1.523
6.	526	+	364	=	890
7.	257	+	222	=	479
8.	486	+	233	=	719
9.	946	+	508	=	1.454
10.	916	+	651	=	1.567

Oefening 2
1.	460	+	332	=	792
2.	785	+	533	=	1.318
3.	533	+	401	=	934
4.	838	+	297	=	1.135
5.	739	+	541	=	1.280
6.	533	+	348	=	881
7.	898	+	679	=	1.577
8.	588	+	496	=	1.084
9.	543	+	325	=	868
10.	541	+	430	=	971

Oefening 3
1.	870	+	828	=	1.698
2.	437	+	256	=	693
3.	465	+	398	=	863
4.	945	+	499	=	1.444
5.	793	+	432	=	1.225
6.	766	+	465	=	1.231
7.	666	+	372	=	1.038
8.	823	+	785	=	1.608
9.	655	+	363	=	1.018
10.	541	+	470	=	1.011

Oefening 4
1.	826	+	632	=	1.458
2.	234	+	212	=	446
3.	774	+	475	=	1.249
4.	581	+	254	=	835
5.	690	+	396	=	1.086
6.	575	+	309	=	884
7.	717	+	280	=	997
8.	936	+	314	=	1.250
9.	978	+	711	=	1.689
10.	884	+	527	=	1.411