Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	354	+		=	669
2.	729	+		=	1.014
3.	689	+		=	1.065
4.	880	+		=	1.292
5.	886	+		=	1.746
6.	631	+		=	1.087
7.	651	+		=	1.245
8.	488	+		=	767
9.	295	+		=	532
10.	571	+		=	865

Oefening 2
1.	337	+		=	547
2.	801	+		=	1.525
3.	332	+		=	590
4.	988	+		=	1.380
5.	738	+		=	1.284
6.	774	+		=	1.315
7.	920	+		=	1.122
8.	974	+		=	1.363
9.	668	+		=	1.150
10.	979	+		=	1.858

Oefening 3
1.	774	+		=	1.408
2.	868	+		=	1.517
3.	974	+		=	1.387
4.	795	+		=	1.570
5.	851	+		=	1.304
6.	982	+		=	1.818
7.	279	+		=	499
8.	825	+		=	1.436
9.	982	+		=	1.725
10.	669	+		=	927

Oefening 4
1.	936	+		=	1.479
2.	856	+		=	1.107
3.	374	+		=	714
4.	863	+		=	1.085
5.	875	+		=	1.478
6.	879	+		=	1.225
7.	899	+		=	1.154
8.	255	+		=	505
9.	729	+		=	978
10.	935	+		=	1.254

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	354	+	315	=	669
2.	729	+	285	=	1.014
3.	689	+	376	=	1.065
4.	880	+	412	=	1.292
5.	886	+	860	=	1.746
6.	631	+	456	=	1.087
7.	651	+	594	=	1.245
8.	488	+	279	=	767
9.	295	+	237	=	532
10.	571	+	294	=	865

Oefening 2
1.	337	+	210	=	547
2.	801	+	724	=	1.525
3.	332	+	258	=	590
4.	988	+	392	=	1.380
5.	738	+	546	=	1.284
6.	774	+	541	=	1.315
7.	920	+	202	=	1.122
8.	974	+	389	=	1.363
9.	668	+	482	=	1.150
10.	979	+	879	=	1.858

Oefening 3
1.	774	+	634	=	1.408
2.	868	+	649	=	1.517
3.	974	+	413	=	1.387
4.	795	+	775	=	1.570
5.	851	+	453	=	1.304
6.	982	+	836	=	1.818
7.	279	+	220	=	499
8.	825	+	611	=	1.436
9.	982	+	743	=	1.725
10.	669	+	258	=	927

Oefening 4
1.	936	+	543	=	1.479
2.	856	+	251	=	1.107
3.	374	+	340	=	714
4.	863	+	222	=	1.085
5.	875	+	603	=	1.478
6.	879	+	346	=	1.225
7.	899	+	255	=	1.154
8.	255	+	250	=	505
9.	729	+	249	=	978
10.	935	+	319	=	1.254