Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	667	+		=	1.321
2.	906	+		=	1.253
3.	917	+		=	1.769
4.	829	+		=	1.341
5.	894	+		=	1.165
6.	990	+		=	1.886
7.	954	+		=	1.408
8.	808	+		=	1.164
9.	818	+		=	1.072
10.	305	+		=	576

Oefening 2
1.	270	+		=	530
2.	809	+		=	1.189
3.	930	+		=	1.854
4.	833	+		=	1.514
5.	848	+		=	1.470
6.	640	+		=	1.259
7.	528	+		=	850
8.	1.000	+		=	1.250
9.	836	+		=	1.341
10.	992	+		=	1.790

Oefening 3
1.	977	+		=	1.439
2.	591	+		=	888
3.	780	+		=	1.300
4.	990	+		=	1.846
5.	969	+		=	1.191
6.	647	+		=	1.002
7.	349	+		=	585
8.	704	+		=	1.113
9.	647	+		=	1.287
10.	653	+		=	1.173

Oefening 4
1.	886	+		=	1.553
2.	703	+		=	955
3.	384	+		=	667
4.	714	+		=	1.354
5.	723	+		=	1.076
6.	969	+		=	1.278
7.	803	+		=	1.539
8.	834	+		=	1.592
9.	976	+		=	1.844
10.	310	+		=	600

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	667	+	654	=	1.321
2.	906	+	347	=	1.253
3.	917	+	852	=	1.769
4.	829	+	512	=	1.341
5.	894	+	271	=	1.165
6.	990	+	896	=	1.886
7.	954	+	454	=	1.408
8.	808	+	356	=	1.164
9.	818	+	254	=	1.072
10.	305	+	271	=	576

Oefening 2
1.	270	+	260	=	530
2.	809	+	380	=	1.189
3.	930	+	924	=	1.854
4.	833	+	681	=	1.514
5.	848	+	622	=	1.470
6.	640	+	619	=	1.259
7.	528	+	322	=	850
8.	1.000	+	250	=	1.250
9.	836	+	505	=	1.341
10.	992	+	798	=	1.790

Oefening 3
1.	977	+	462	=	1.439
2.	591	+	297	=	888
3.	780	+	520	=	1.300
4.	990	+	856	=	1.846
5.	969	+	222	=	1.191
6.	647	+	355	=	1.002
7.	349	+	236	=	585
8.	704	+	409	=	1.113
9.	647	+	640	=	1.287
10.	653	+	520	=	1.173

Oefening 4
1.	886	+	667	=	1.553
2.	703	+	252	=	955
3.	384	+	283	=	667
4.	714	+	640	=	1.354
5.	723	+	353	=	1.076
6.	969	+	309	=	1.278
7.	803	+	736	=	1.539
8.	834	+	758	=	1.592
9.	976	+	868	=	1.844
10.	310	+	290	=	600