Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	526	+		=	1.008
2.	955	+		=	1.525
3.	785	+		=	1.058
4.	759	+		=	1.055
5.	970	+		=	1.277
6.	458	+		=	808
7.	814	+		=	1.017
8.	825	+		=	1.425
9.	449	+		=	852
10.	989	+		=	1.847

Oefening 2
1.	660	+		=	1.276
2.	688	+		=	1.249
3.	511	+		=	959
4.	388	+		=	673
5.	754	+		=	1.428
6.	628	+		=	1.164
7.	747	+		=	1.144
8.	447	+		=	735
9.	547	+		=	932
10.	913	+		=	1.219

Oefening 3
1.	376	+		=	688
2.	846	+		=	1.512
3.	586	+		=	953
4.	875	+		=	1.715
5.	529	+		=	865
6.	813	+		=	1.547
7.	789	+		=	1.050
8.	744	+		=	1.264
9.	986	+		=	1.938
10.	920	+		=	1.719

Oefening 4
1.	951	+		=	1.166
2.	767	+		=	1.409
3.	918	+		=	1.817
4.	963	+		=	1.231
5.	983	+		=	1.646
6.	994	+		=	1.552
7.	990	+		=	1.678
8.	813	+		=	1.465
9.	997	+		=	1.916
10.	526	+		=	833

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	526	+	482	=	1.008
2.	955	+	570	=	1.525
3.	785	+	273	=	1.058
4.	759	+	296	=	1.055
5.	970	+	307	=	1.277
6.	458	+	350	=	808
7.	814	+	203	=	1.017
8.	825	+	600	=	1.425
9.	449	+	403	=	852
10.	989	+	858	=	1.847

Oefening 2
1.	660	+	616	=	1.276
2.	688	+	561	=	1.249
3.	511	+	448	=	959
4.	388	+	285	=	673
5.	754	+	674	=	1.428
6.	628	+	536	=	1.164
7.	747	+	397	=	1.144
8.	447	+	288	=	735
9.	547	+	385	=	932
10.	913	+	306	=	1.219

Oefening 3
1.	376	+	312	=	688
2.	846	+	666	=	1.512
3.	586	+	367	=	953
4.	875	+	840	=	1.715
5.	529	+	336	=	865
6.	813	+	734	=	1.547
7.	789	+	261	=	1.050
8.	744	+	520	=	1.264
9.	986	+	952	=	1.938
10.	920	+	799	=	1.719

Oefening 4
1.	951	+	215	=	1.166
2.	767	+	642	=	1.409
3.	918	+	899	=	1.817
4.	963	+	268	=	1.231
5.	983	+	663	=	1.646
6.	994	+	558	=	1.552
7.	990	+	688	=	1.678
8.	813	+	652	=	1.465
9.	997	+	919	=	1.916
10.	526	+	307	=	833