Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	831	+		=	1.063
2.	697	+		=	925
3.	347	+		=	596
4.	807	+		=	1.117
5.	947	+		=	1.425
6.	470	+		=	746
7.	494	+		=	821
8.	575	+		=	956
9.	656	+		=	1.050
10.	728	+		=	974

Oefening 2
1.	525	+		=	770
2.	850	+		=	1.508
3.	771	+		=	1.272
4.	541	+		=	920
5.	585	+		=	1.054
6.	974	+		=	1.189
7.	499	+		=	963
8.	847	+		=	1.134
9.	921	+		=	1.229
10.	966	+		=	1.610

Oefening 3
1.	653	+		=	951
2.	631	+		=	1.240
3.	509	+		=	925
4.	655	+		=	1.309
5.	713	+		=	972
6.	549	+		=	761
7.	750	+		=	990
8.	969	+		=	1.686
9.	915	+		=	1.281
10.	877	+		=	1.386

Oefening 4
1.	987	+		=	1.669
2.	886	+		=	1.395
3.	937	+		=	1.672
4.	812	+		=	1.488
5.	505	+		=	786
6.	520	+		=	846
7.	888	+		=	1.563
8.	538	+		=	1.016
9.	338	+		=	613
10.	583	+		=	881

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	831	+	232	=	1.063
2.	697	+	228	=	925
3.	347	+	249	=	596
4.	807	+	310	=	1.117
5.	947	+	478	=	1.425
6.	470	+	276	=	746
7.	494	+	327	=	821
8.	575	+	381	=	956
9.	656	+	394	=	1.050
10.	728	+	246	=	974

Oefening 2
1.	525	+	245	=	770
2.	850	+	658	=	1.508
3.	771	+	501	=	1.272
4.	541	+	379	=	920
5.	585	+	469	=	1.054
6.	974	+	215	=	1.189
7.	499	+	464	=	963
8.	847	+	287	=	1.134
9.	921	+	308	=	1.229
10.	966	+	644	=	1.610

Oefening 3
1.	653	+	298	=	951
2.	631	+	609	=	1.240
3.	509	+	416	=	925
4.	655	+	654	=	1.309
5.	713	+	259	=	972
6.	549	+	212	=	761
7.	750	+	240	=	990
8.	969	+	717	=	1.686
9.	915	+	366	=	1.281
10.	877	+	509	=	1.386

Oefening 4
1.	987	+	682	=	1.669
2.	886	+	509	=	1.395
3.	937	+	735	=	1.672
4.	812	+	676	=	1.488
5.	505	+	281	=	786
6.	520	+	326	=	846
7.	888	+	675	=	1.563
8.	538	+	478	=	1.016
9.	338	+	275	=	613
10.	583	+	298	=	881