Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	879	+		=	1.625
2.	964	+		=	1.870
3.	813	+		=	1.579
4.	823	+		=	1.442
5.	949	+		=	1.894
6.	873	+		=	1.113
7.	969	+		=	1.766
8.	761	+		=	1.211
9.	687	+		=	1.111
10.	441	+		=	853

Oefening 2
1.	681	+		=	1.192
2.	968	+		=	1.409
3.	938	+		=	1.799
4.	699	+		=	1.140
5.	566	+		=	924
6.	931	+		=	1.376
7.	398	+		=	707
8.	920	+		=	1.561
9.	932	+		=	1.794
10.	932	+		=	1.163

Oefening 3
1.	949	+		=	1.414
2.	727	+		=	973
3.	939	+		=	1.139
4.	809	+		=	1.085
5.	702	+		=	1.208
6.	349	+		=	549
7.	438	+		=	807
8.	887	+		=	1.432
9.	833	+		=	1.207
10.	995	+		=	1.658

Oefening 4
1.	718	+		=	1.090
2.	727	+		=	1.142
3.	944	+		=	1.185
4.	757	+		=	1.283
5.	719	+		=	1.412
6.	688	+		=	957
7.	547	+		=	844
8.	547	+		=	1.034
9.	432	+		=	840
10.	470	+		=	800

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	879	+	746	=	1.625
2.	964	+	906	=	1.870
3.	813	+	766	=	1.579
4.	823	+	619	=	1.442
5.	949	+	945	=	1.894
6.	873	+	240	=	1.113
7.	969	+	797	=	1.766
8.	761	+	450	=	1.211
9.	687	+	424	=	1.111
10.	441	+	412	=	853

Oefening 2
1.	681	+	511	=	1.192
2.	968	+	441	=	1.409
3.	938	+	861	=	1.799
4.	699	+	441	=	1.140
5.	566	+	358	=	924
6.	931	+	445	=	1.376
7.	398	+	309	=	707
8.	920	+	641	=	1.561
9.	932	+	862	=	1.794
10.	932	+	231	=	1.163

Oefening 3
1.	949	+	465	=	1.414
2.	727	+	246	=	973
3.	939	+	200	=	1.139
4.	809	+	276	=	1.085
5.	702	+	506	=	1.208
6.	349	+	200	=	549
7.	438	+	369	=	807
8.	887	+	545	=	1.432
9.	833	+	374	=	1.207
10.	995	+	663	=	1.658

Oefening 4
1.	718	+	372	=	1.090
2.	727	+	415	=	1.142
3.	944	+	241	=	1.185
4.	757	+	526	=	1.283
5.	719	+	693	=	1.412
6.	688	+	269	=	957
7.	547	+	297	=	844
8.	547	+	487	=	1.034
9.	432	+	408	=	840
10.	470	+	330	=	800