Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	317	+		=	633
2.	982	+		=	1.561
3.	899	+		=	1.495
4.	555	+		=	815
5.	764	+		=	1.036
6.	471	+		=	926
7.	438	+		=	691
8.	814	+		=	1.256
9.	722	+		=	1.231
10.	667	+		=	1.007

Oefening 2
1.	558	+		=	886
2.	763	+		=	968
3.	685	+		=	959
4.	510	+		=	1.009
5.	677	+		=	1.169
6.	247	+		=	473
7.	934	+		=	1.837
8.	591	+		=	993
9.	970	+		=	1.372
10.	968	+		=	1.452

Oefening 3
1.	816	+		=	1.336
2.	466	+		=	849
3.	678	+		=	1.048
4.	885	+		=	1.686
5.	525	+		=	978
6.	787	+		=	1.185
7.	292	+		=	505
8.	863	+		=	1.604
9.	853	+		=	1.536
10.	596	+		=	1.152

Oefening 4
1.	632	+		=	1.228
2.	697	+		=	1.074
3.	559	+		=	850
4.	708	+		=	1.385
5.	981	+		=	1.563
6.	635	+		=	1.239
7.	460	+		=	858
8.	860	+		=	1.720
9.	899	+		=	1.151
10.	902	+		=	1.202

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	317	+	316	=	633
2.	982	+	579	=	1.561
3.	899	+	596	=	1.495
4.	555	+	260	=	815
5.	764	+	272	=	1.036
6.	471	+	455	=	926
7.	438	+	253	=	691
8.	814	+	442	=	1.256
9.	722	+	509	=	1.231
10.	667	+	340	=	1.007

Oefening 2
1.	558	+	328	=	886
2.	763	+	205	=	968
3.	685	+	274	=	959
4.	510	+	499	=	1.009
5.	677	+	492	=	1.169
6.	247	+	226	=	473
7.	934	+	903	=	1.837
8.	591	+	402	=	993
9.	970	+	402	=	1.372
10.	968	+	484	=	1.452

Oefening 3
1.	816	+	520	=	1.336
2.	466	+	383	=	849
3.	678	+	370	=	1.048
4.	885	+	801	=	1.686
5.	525	+	453	=	978
6.	787	+	398	=	1.185
7.	292	+	213	=	505
8.	863	+	741	=	1.604
9.	853	+	683	=	1.536
10.	596	+	556	=	1.152

Oefening 4
1.	632	+	596	=	1.228
2.	697	+	377	=	1.074
3.	559	+	291	=	850
4.	708	+	677	=	1.385
5.	981	+	582	=	1.563
6.	635	+	604	=	1.239
7.	460	+	398	=	858
8.	860	+	860	=	1.720
9.	899	+	252	=	1.151
10.	902	+	300	=	1.202