Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	601	+		=	930
2.	699	+		=	1.064
3.	610	+		=	1.006
4.	824	+		=	1.257
5.	477	+		=	907
6.	958	+		=	1.395
7.	964	+		=	1.519
8.	992	+		=	1.590
9.	469	+		=	801
10.	739	+		=	1.296

Oefening 2
1.	830	+		=	1.492
2.	811	+		=	1.197
3.	864	+		=	1.221
4.	708	+		=	1.062
5.	840	+		=	1.072
6.	623	+		=	1.245
7.	507	+		=	990
8.	699	+		=	971
9.	493	+		=	895
10.	861	+		=	1.296

Oefening 3
1.	989	+		=	1.711
2.	524	+		=	920
3.	718	+		=	1.155
4.	872	+		=	1.338
5.	670	+		=	1.177
6.	958	+		=	1.777
7.	308	+		=	534
8.	935	+		=	1.419
9.	708	+		=	1.336
10.	800	+		=	1.436

Oefening 4
1.	955	+		=	1.190
2.	996	+		=	1.660
3.	813	+		=	1.149
4.	933	+		=	1.274
5.	931	+		=	1.559
6.	409	+		=	630
7.	594	+		=	827
8.	494	+		=	826
9.	610	+		=	938
10.	800	+		=	1.045

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	601	+	329	=	930
2.	699	+	365	=	1.064
3.	610	+	396	=	1.006
4.	824	+	433	=	1.257
5.	477	+	430	=	907
6.	958	+	437	=	1.395
7.	964	+	555	=	1.519
8.	992	+	598	=	1.590
9.	469	+	332	=	801
10.	739	+	557	=	1.296

Oefening 2
1.	830	+	662	=	1.492
2.	811	+	386	=	1.197
3.	864	+	357	=	1.221
4.	708	+	354	=	1.062
5.	840	+	232	=	1.072
6.	623	+	622	=	1.245
7.	507	+	483	=	990
8.	699	+	272	=	971
9.	493	+	402	=	895
10.	861	+	435	=	1.296

Oefening 3
1.	989	+	722	=	1.711
2.	524	+	396	=	920
3.	718	+	437	=	1.155
4.	872	+	466	=	1.338
5.	670	+	507	=	1.177
6.	958	+	819	=	1.777
7.	308	+	226	=	534
8.	935	+	484	=	1.419
9.	708	+	628	=	1.336
10.	800	+	636	=	1.436

Oefening 4
1.	955	+	235	=	1.190
2.	996	+	664	=	1.660
3.	813	+	336	=	1.149
4.	933	+	341	=	1.274
5.	931	+	628	=	1.559
6.	409	+	221	=	630
7.	594	+	233	=	827
8.	494	+	332	=	826
9.	610	+	328	=	938
10.	800	+	245	=	1.045