Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	486	+		=	929
2.	901	+		=	1.453
3.	988	+		=	1.722
4.	632	+		=	1.240
5.	778	+		=	1.190
6.	943	+		=	1.338
7.	464	+		=	911
8.	985	+		=	1.404
9.	564	+		=	1.057
10.	959	+		=	1.400

Oefening 2
1.	777	+		=	981
2.	992	+		=	1.861
3.	693	+		=	907
4.	666	+		=	1.264
5.	529	+		=	816
6.	896	+		=	1.110
7.	365	+		=	627
8.	680	+		=	1.112
9.	417	+		=	660
10.	832	+		=	1.406

Oefening 3
1.	715	+		=	1.070
2.	677	+		=	1.221
3.	853	+		=	1.224
4.	656	+		=	1.057
5.	892	+		=	1.698
6.	780	+		=	1.097
7.	778	+		=	1.319
8.	888	+		=	1.479
9.	910	+		=	1.514
10.	843	+		=	1.148

Oefening 4
1.	849	+		=	1.243
2.	725	+		=	1.374
3.	744	+		=	960
4.	486	+		=	807
5.	924	+		=	1.586
6.	815	+		=	1.481
7.	667	+		=	947
8.	947	+		=	1.892
9.	509	+		=	858
10.	830	+		=	1.226

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	486	+	443	=	929
2.	901	+	552	=	1.453
3.	988	+	734	=	1.722
4.	632	+	608	=	1.240
5.	778	+	412	=	1.190
6.	943	+	395	=	1.338
7.	464	+	447	=	911
8.	985	+	419	=	1.404
9.	564	+	493	=	1.057
10.	959	+	441	=	1.400

Oefening 2
1.	777	+	204	=	981
2.	992	+	869	=	1.861
3.	693	+	214	=	907
4.	666	+	598	=	1.264
5.	529	+	287	=	816
6.	896	+	214	=	1.110
7.	365	+	262	=	627
8.	680	+	432	=	1.112
9.	417	+	243	=	660
10.	832	+	574	=	1.406

Oefening 3
1.	715	+	355	=	1.070
2.	677	+	544	=	1.221
3.	853	+	371	=	1.224
4.	656	+	401	=	1.057
5.	892	+	806	=	1.698
6.	780	+	317	=	1.097
7.	778	+	541	=	1.319
8.	888	+	591	=	1.479
9.	910	+	604	=	1.514
10.	843	+	305	=	1.148

Oefening 4
1.	849	+	394	=	1.243
2.	725	+	649	=	1.374
3.	744	+	216	=	960
4.	486	+	321	=	807
5.	924	+	662	=	1.586
6.	815	+	666	=	1.481
7.	667	+	280	=	947
8.	947	+	945	=	1.892
9.	509	+	349	=	858
10.	830	+	396	=	1.226