Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	764	+		=	1.367
2.	647	+		=	1.015
3.	819	+		=	1.560
4.	813	+		=	1.026
5.	915	+		=	1.425
6.	811	+		=	1.202
7.	479	+		=	844
8.	586	+		=	858
9.	711	+		=	1.124
10.	521	+		=	1.027

Oefening 2
1.	875	+		=	1.095
2.	724	+		=	1.042
3.	599	+		=	1.122
4.	759	+		=	1.272
5.	500	+		=	797
6.	722	+		=	1.134
7.	718	+		=	1.241
8.	686	+		=	1.233
9.	757	+		=	1.191
10.	846	+		=	1.561

Oefening 3
1.	715	+		=	1.395
2.	779	+		=	1.485
3.	732	+		=	996
4.	854	+		=	1.444
5.	604	+		=	999
6.	261	+		=	485
7.	687	+		=	1.060
8.	312	+		=	607
9.	919	+		=	1.317
10.	426	+		=	721

Oefening 4
1.	971	+		=	1.494
2.	909	+		=	1.766
3.	920	+		=	1.538
4.	921	+		=	1.200
5.	831	+		=	1.318
6.	987	+		=	1.863
7.	417	+		=	795
8.	730	+		=	1.356
9.	912	+		=	1.486
10.	825	+		=	1.584

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	764	+	603	=	1.367
2.	647	+	368	=	1.015
3.	819	+	741	=	1.560
4.	813	+	213	=	1.026
5.	915	+	510	=	1.425
6.	811	+	391	=	1.202
7.	479	+	365	=	844
8.	586	+	272	=	858
9.	711	+	413	=	1.124
10.	521	+	506	=	1.027

Oefening 2
1.	875	+	220	=	1.095
2.	724	+	318	=	1.042
3.	599	+	523	=	1.122
4.	759	+	513	=	1.272
5.	500	+	297	=	797
6.	722	+	412	=	1.134
7.	718	+	523	=	1.241
8.	686	+	547	=	1.233
9.	757	+	434	=	1.191
10.	846	+	715	=	1.561

Oefening 3
1.	715	+	680	=	1.395
2.	779	+	706	=	1.485
3.	732	+	264	=	996
4.	854	+	590	=	1.444
5.	604	+	395	=	999
6.	261	+	224	=	485
7.	687	+	373	=	1.060
8.	312	+	295	=	607
9.	919	+	398	=	1.317
10.	426	+	295	=	721

Oefening 4
1.	971	+	523	=	1.494
2.	909	+	857	=	1.766
3.	920	+	618	=	1.538
4.	921	+	279	=	1.200
5.	831	+	487	=	1.318
6.	987	+	876	=	1.863
7.	417	+	378	=	795
8.	730	+	626	=	1.356
9.	912	+	574	=	1.486
10.	825	+	759	=	1.584