Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	640	+		=	964
2.	980	+		=	1.320
3.	460	+		=	790
4.	960	+		=	1.651
5.	935	+		=	1.629
6.	998	+		=	1.564
7.	555	+		=	1.100
8.	934	+		=	1.785
9.	956	+		=	1.168
10.	880	+		=	1.711

Oefening 2
1.	491	+		=	947
2.	317	+		=	560
3.	812	+		=	1.410
4.	560	+		=	813
5.	973	+		=	1.768
6.	981	+		=	1.513
7.	745	+		=	1.207
8.	663	+		=	1.222
9.	939	+		=	1.373
10.	928	+		=	1.274

Oefening 3
1.	541	+		=	756
2.	965	+		=	1.704
3.	994	+		=	1.311
4.	992	+		=	1.725
5.	473	+		=	781
6.	849	+		=	1.669
7.	863	+		=	1.404
8.	678	+		=	1.160
9.	836	+		=	1.296
10.	959	+		=	1.261

Oefening 4
1.	496	+		=	716
2.	737	+		=	1.398
3.	213	+		=	413
4.	898	+		=	1.477
5.	899	+		=	1.784
6.	556	+		=	853
7.	494	+		=	906
8.	944	+		=	1.762
9.	705	+		=	1.124
10.	757	+		=	1.260

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	640	+	324	=	964
2.	980	+	340	=	1.320
3.	460	+	330	=	790
4.	960	+	691	=	1.651
5.	935	+	694	=	1.629
6.	998	+	566	=	1.564
7.	555	+	545	=	1.100
8.	934	+	851	=	1.785
9.	956	+	212	=	1.168
10.	880	+	831	=	1.711

Oefening 2
1.	491	+	456	=	947
2.	317	+	243	=	560
3.	812	+	598	=	1.410
4.	560	+	253	=	813
5.	973	+	795	=	1.768
6.	981	+	532	=	1.513
7.	745	+	462	=	1.207
8.	663	+	559	=	1.222
9.	939	+	434	=	1.373
10.	928	+	346	=	1.274

Oefening 3
1.	541	+	215	=	756
2.	965	+	739	=	1.704
3.	994	+	317	=	1.311
4.	992	+	733	=	1.725
5.	473	+	308	=	781
6.	849	+	820	=	1.669
7.	863	+	541	=	1.404
8.	678	+	482	=	1.160
9.	836	+	460	=	1.296
10.	959	+	302	=	1.261

Oefening 4
1.	496	+	220	=	716
2.	737	+	661	=	1.398
3.	213	+	200	=	413
4.	898	+	579	=	1.477
5.	899	+	885	=	1.784
6.	556	+	297	=	853
7.	494	+	412	=	906
8.	944	+	818	=	1.762
9.	705	+	419	=	1.124
10.	757	+	503	=	1.260