Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	666	+		=	869
2.	764	+		=	1.107
3.	772	+		=	1.271
4.	849	+		=	1.172
5.	479	+		=	740
6.	979	+		=	1.441
7.	366	+		=	730
8.	799	+		=	1.580
9.	662	+		=	1.103
10.	969	+		=	1.818

Oefening 2
1.	929	+		=	1.213
2.	549	+		=	878
3.	529	+		=	855
4.	921	+		=	1.731
5.	817	+		=	1.124
6.	817	+		=	1.240
7.	857	+		=	1.561
8.	645	+		=	949
9.	923	+		=	1.322
10.	448	+		=	812

Oefening 3
1.	932	+		=	1.767
2.	402	+		=	724
3.	742	+		=	1.426
4.	716	+		=	1.172
5.	319	+		=	601
6.	863	+		=	1.438
7.	759	+		=	1.146
8.	310	+		=	555
9.	383	+		=	635
10.	897	+		=	1.542

Oefening 4
1.	876	+		=	1.483
2.	868	+		=	1.269
3.	912	+		=	1.558
4.	807	+		=	1.606
5.	694	+		=	1.036
6.	676	+		=	1.280
7.	676	+		=	1.176
8.	798	+		=	1.231
9.	754	+		=	1.396
10.	685	+		=	1.302

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	666	+	203	=	869
2.	764	+	343	=	1.107
3.	772	+	499	=	1.271
4.	849	+	323	=	1.172
5.	479	+	261	=	740
6.	979	+	462	=	1.441
7.	366	+	364	=	730
8.	799	+	781	=	1.580
9.	662	+	441	=	1.103
10.	969	+	849	=	1.818

Oefening 2
1.	929	+	284	=	1.213
2.	549	+	329	=	878
3.	529	+	326	=	855
4.	921	+	810	=	1.731
5.	817	+	307	=	1.124
6.	817	+	423	=	1.240
7.	857	+	704	=	1.561
8.	645	+	304	=	949
9.	923	+	399	=	1.322
10.	448	+	364	=	812

Oefening 3
1.	932	+	835	=	1.767
2.	402	+	322	=	724
3.	742	+	684	=	1.426
4.	716	+	456	=	1.172
5.	319	+	282	=	601
6.	863	+	575	=	1.438
7.	759	+	387	=	1.146
8.	310	+	245	=	555
9.	383	+	252	=	635
10.	897	+	645	=	1.542

Oefening 4
1.	876	+	607	=	1.483
2.	868	+	401	=	1.269
3.	912	+	646	=	1.558
4.	807	+	799	=	1.606
5.	694	+	342	=	1.036
6.	676	+	604	=	1.280
7.	676	+	500	=	1.176
8.	798	+	433	=	1.231
9.	754	+	642	=	1.396
10.	685	+	617	=	1.302