Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	673	+		=	907
2.	619	+		=	997
3.	557	+		=	1.030
4.	583	+		=	878
5.	606	+		=	1.079
6.	618	+		=	1.176
7.	581	+		=	840
8.	865	+		=	1.415
9.	425	+		=	801
10.	631	+		=	1.085

Oefening 2
1.	892	+		=	1.387
2.	470	+		=	862
3.	939	+		=	1.162
4.	956	+		=	1.184
5.	787	+		=	1.296
6.	955	+		=	1.755
7.	932	+		=	1.199
8.	857	+		=	1.336
9.	607	+		=	1.044
10.	757	+		=	1.228

Oefening 3
1.	907	+		=	1.382
2.	664	+		=	980
3.	925	+		=	1.839
4.	796	+		=	1.018
5.	942	+		=	1.610
6.	417	+		=	784
7.	747	+		=	1.292
8.	883	+		=	1.308
9.	858	+		=	1.271
10.	249	+		=	465

Oefening 4
1.	943	+		=	1.740
2.	601	+		=	1.126
3.	872	+		=	1.229
4.	821	+		=	1.133
5.	969	+		=	1.371
6.	825	+		=	1.069
7.	490	+		=	779
8.	734	+		=	1.331
9.	664	+		=	890
10.	889	+		=	1.220

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	673	+	234	=	907
2.	619	+	378	=	997
3.	557	+	473	=	1.030
4.	583	+	295	=	878
5.	606	+	473	=	1.079
6.	618	+	558	=	1.176
7.	581	+	259	=	840
8.	865	+	550	=	1.415
9.	425	+	376	=	801
10.	631	+	454	=	1.085

Oefening 2
1.	892	+	495	=	1.387
2.	470	+	392	=	862
3.	939	+	223	=	1.162
4.	956	+	228	=	1.184
5.	787	+	509	=	1.296
6.	955	+	800	=	1.755
7.	932	+	267	=	1.199
8.	857	+	479	=	1.336
9.	607	+	437	=	1.044
10.	757	+	471	=	1.228

Oefening 3
1.	907	+	475	=	1.382
2.	664	+	316	=	980
3.	925	+	914	=	1.839
4.	796	+	222	=	1.018
5.	942	+	668	=	1.610
6.	417	+	367	=	784
7.	747	+	545	=	1.292
8.	883	+	425	=	1.308
9.	858	+	413	=	1.271
10.	249	+	216	=	465

Oefening 4
1.	943	+	797	=	1.740
2.	601	+	525	=	1.126
3.	872	+	357	=	1.229
4.	821	+	312	=	1.133
5.	969	+	402	=	1.371
6.	825	+	244	=	1.069
7.	490	+	289	=	779
8.	734	+	597	=	1.331
9.	664	+	226	=	890
10.	889	+	331	=	1.220