Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	253	+		=	505
2.	915	+		=	1.507
3.	682	+		=	948
4.	436	+		=	703
5.	977	+		=	1.348
6.	634	+		=	1.132
7.	793	+		=	1.161
8.	657	+		=	1.149
9.	615	+		=	1.131
10.	832	+		=	1.084

Oefening 2
1.	727	+		=	1.021
2.	853	+		=	1.290
3.	733	+		=	1.203
4.	912	+		=	1.240
5.	813	+		=	1.509
6.	765	+		=	1.226
7.	854	+		=	1.669
8.	827	+		=	1.040
9.	756	+		=	1.511
10.	509	+		=	804

Oefening 3
1.	750	+		=	1.475
2.	729	+		=	948
3.	855	+		=	1.540
4.	763	+		=	1.170
5.	825	+		=	1.059
6.	888	+		=	1.383
7.	982	+		=	1.589
8.	516	+		=	902
9.	377	+		=	718
10.	925	+		=	1.580

Oefening 4
1.	995	+		=	1.697
2.	679	+		=	1.284
3.	970	+		=	1.846
4.	715	+		=	1.138
5.	1.000	+		=	1.386
6.	527	+		=	766
7.	297	+		=	585
8.	817	+		=	1.528
9.	734	+		=	1.192
10.	885	+		=	1.201

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	253	+	252	=	505
2.	915	+	592	=	1.507
3.	682	+	266	=	948
4.	436	+	267	=	703
5.	977	+	371	=	1.348
6.	634	+	498	=	1.132
7.	793	+	368	=	1.161
8.	657	+	492	=	1.149
9.	615	+	516	=	1.131
10.	832	+	252	=	1.084

Oefening 2
1.	727	+	294	=	1.021
2.	853	+	437	=	1.290
3.	733	+	470	=	1.203
4.	912	+	328	=	1.240
5.	813	+	696	=	1.509
6.	765	+	461	=	1.226
7.	854	+	815	=	1.669
8.	827	+	213	=	1.040
9.	756	+	755	=	1.511
10.	509	+	295	=	804

Oefening 3
1.	750	+	725	=	1.475
2.	729	+	219	=	948
3.	855	+	685	=	1.540
4.	763	+	407	=	1.170
5.	825	+	234	=	1.059
6.	888	+	495	=	1.383
7.	982	+	607	=	1.589
8.	516	+	386	=	902
9.	377	+	341	=	718
10.	925	+	655	=	1.580

Oefening 4
1.	995	+	702	=	1.697
2.	679	+	605	=	1.284
3.	970	+	876	=	1.846
4.	715	+	423	=	1.138
5.	1.000	+	386	=	1.386
6.	527	+	239	=	766
7.	297	+	288	=	585
8.	817	+	711	=	1.528
9.	734	+	458	=	1.192
10.	885	+	316	=	1.201