Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	936	+		=	1.184
2.	669	+		=	1.153
3.	646	+		=	976
4.	523	+		=	911
5.	320	+		=	564
6.	988	+		=	1.654
7.	533	+		=	905
8.	695	+		=	938
9.	960	+		=	1.297
10.	860	+		=	1.290

Oefening 2
1.	781	+		=	1.008
2.	945	+		=	1.515
3.	303	+		=	593
4.	881	+		=	1.103
5.	729	+		=	1.276
6.	516	+		=	921
7.	640	+		=	1.264
8.	710	+		=	1.340
9.	677	+		=	1.228
10.	918	+		=	1.484

Oefening 3
1.	921	+		=	1.694
2.	803	+		=	1.115
3.	846	+		=	1.449
4.	986	+		=	1.474
5.	781	+		=	1.117
6.	963	+		=	1.641
7.	880	+		=	1.396
8.	730	+		=	1.213
9.	878	+		=	1.198
10.	950	+		=	1.255

Oefening 4
1.	493	+		=	740
2.	596	+		=	849
3.	832	+		=	1.267
4.	728	+		=	1.001
5.	626	+		=	1.100
6.	883	+		=	1.145
7.	724	+		=	1.211
8.	950	+		=	1.369
9.	918	+		=	1.452
10.	959	+		=	1.736

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	936	+	248	=	1.184
2.	669	+	484	=	1.153
3.	646	+	330	=	976
4.	523	+	388	=	911
5.	320	+	244	=	564
6.	988	+	666	=	1.654
7.	533	+	372	=	905
8.	695	+	243	=	938
9.	960	+	337	=	1.297
10.	860	+	430	=	1.290

Oefening 2
1.	781	+	227	=	1.008
2.	945	+	570	=	1.515
3.	303	+	290	=	593
4.	881	+	222	=	1.103
5.	729	+	547	=	1.276
6.	516	+	405	=	921
7.	640	+	624	=	1.264
8.	710	+	630	=	1.340
9.	677	+	551	=	1.228
10.	918	+	566	=	1.484

Oefening 3
1.	921	+	773	=	1.694
2.	803	+	312	=	1.115
3.	846	+	603	=	1.449
4.	986	+	488	=	1.474
5.	781	+	336	=	1.117
6.	963	+	678	=	1.641
7.	880	+	516	=	1.396
8.	730	+	483	=	1.213
9.	878	+	320	=	1.198
10.	950	+	305	=	1.255

Oefening 4
1.	493	+	247	=	740
2.	596	+	253	=	849
3.	832	+	435	=	1.267
4.	728	+	273	=	1.001
5.	626	+	474	=	1.100
6.	883	+	262	=	1.145
7.	724	+	487	=	1.211
8.	950	+	419	=	1.369
9.	918	+	534	=	1.452
10.	959	+	777	=	1.736