Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	871	+		=	1.534
2.	618	+		=	910
3.	907	+		=	1.354
4.	920	+		=	1.801
5.	993	+		=	1.484
6.	755	+		=	1.209
7.	860	+		=	1.669
8.	239	+		=	459
9.	940	+		=	1.792
10.	638	+		=	1.195

Oefening 2
1.	800	+		=	1.572
2.	822	+		=	1.466
3.	729	+		=	1.431
4.	810	+		=	1.609
5.	838	+		=	1.645
6.	705	+		=	1.352
7.	933	+		=	1.219
8.	956	+		=	1.662
9.	768	+		=	1.223
10.	352	+		=	594

Oefening 3
1.	934	+		=	1.750
2.	832	+		=	1.208
3.	953	+		=	1.207
4.	572	+		=	889
5.	800	+		=	1.281
6.	566	+		=	1.053
7.	905	+		=	1.494
8.	798	+		=	1.008
9.	730	+		=	1.142
10.	542	+		=	1.067

Oefening 4
1.	537	+		=	811
2.	833	+		=	1.297
3.	822	+		=	1.547
4.	685	+		=	896
5.	852	+		=	1.554
6.	402	+		=	604
7.	927	+		=	1.465
8.	905	+		=	1.339
9.	881	+		=	1.748
10.	648	+		=	1.228

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	871	+	663	=	1.534
2.	618	+	292	=	910
3.	907	+	447	=	1.354
4.	920	+	881	=	1.801
5.	993	+	491	=	1.484
6.	755	+	454	=	1.209
7.	860	+	809	=	1.669
8.	239	+	220	=	459
9.	940	+	852	=	1.792
10.	638	+	557	=	1.195

Oefening 2
1.	800	+	772	=	1.572
2.	822	+	644	=	1.466
3.	729	+	702	=	1.431
4.	810	+	799	=	1.609
5.	838	+	807	=	1.645
6.	705	+	647	=	1.352
7.	933	+	286	=	1.219
8.	956	+	706	=	1.662
9.	768	+	455	=	1.223
10.	352	+	242	=	594

Oefening 3
1.	934	+	816	=	1.750
2.	832	+	376	=	1.208
3.	953	+	254	=	1.207
4.	572	+	317	=	889
5.	800	+	481	=	1.281
6.	566	+	487	=	1.053
7.	905	+	589	=	1.494
8.	798	+	210	=	1.008
9.	730	+	412	=	1.142
10.	542	+	525	=	1.067

Oefening 4
1.	537	+	274	=	811
2.	833	+	464	=	1.297
3.	822	+	725	=	1.547
4.	685	+	211	=	896
5.	852	+	702	=	1.554
6.	402	+	202	=	604
7.	927	+	538	=	1.465
8.	905	+	434	=	1.339
9.	881	+	867	=	1.748
10.	648	+	580	=	1.228