Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	449	+		=	840
2.	883	+		=	1.720
3.	818	+		=	1.163
4.	965	+		=	1.526
5.	987	+		=	1.237
6.	699	+		=	1.328
7.	743	+		=	1.249
8.	882	+		=	1.531
9.	548	+		=	863
10.	937	+		=	1.147

Oefening 2
1.	947	+		=	1.184
2.	624	+		=	1.108
3.	682	+		=	1.037
4.	970	+		=	1.439
5.	915	+		=	1.437
6.	893	+		=	1.496
7.	872	+		=	1.342
8.	699	+		=	1.052
9.	780	+		=	1.429
10.	998	+		=	1.928

Oefening 3
1.	912	+		=	1.777
2.	823	+		=	1.564
3.	367	+		=	637
4.	944	+		=	1.530
5.	697	+		=	951
6.	664	+		=	1.225
7.	790	+		=	1.073
8.	441	+		=	693
9.	854	+		=	1.649
10.	775	+		=	1.234

Oefening 4
1.	873	+		=	1.425
2.	954	+		=	1.619
3.	587	+		=	969
4.	374	+		=	600
5.	849	+		=	1.298
6.	377	+		=	610
7.	960	+		=	1.681
8.	894	+		=	1.711
9.	481	+		=	789
10.	854	+		=	1.634

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	449	+	391	=	840
2.	883	+	837	=	1.720
3.	818	+	345	=	1.163
4.	965	+	561	=	1.526
5.	987	+	250	=	1.237
6.	699	+	629	=	1.328
7.	743	+	506	=	1.249
8.	882	+	649	=	1.531
9.	548	+	315	=	863
10.	937	+	210	=	1.147

Oefening 2
1.	947	+	237	=	1.184
2.	624	+	484	=	1.108
3.	682	+	355	=	1.037
4.	970	+	469	=	1.439
5.	915	+	522	=	1.437
6.	893	+	603	=	1.496
7.	872	+	470	=	1.342
8.	699	+	353	=	1.052
9.	780	+	649	=	1.429
10.	998	+	930	=	1.928

Oefening 3
1.	912	+	865	=	1.777
2.	823	+	741	=	1.564
3.	367	+	270	=	637
4.	944	+	586	=	1.530
5.	697	+	254	=	951
6.	664	+	561	=	1.225
7.	790	+	283	=	1.073
8.	441	+	252	=	693
9.	854	+	795	=	1.649
10.	775	+	459	=	1.234

Oefening 4
1.	873	+	552	=	1.425
2.	954	+	665	=	1.619
3.	587	+	382	=	969
4.	374	+	226	=	600
5.	849	+	449	=	1.298
6.	377	+	233	=	610
7.	960	+	721	=	1.681
8.	894	+	817	=	1.711
9.	481	+	308	=	789
10.	854	+	780	=	1.634