Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	531	+		=	890
2.	538	+		=	1.032
3.	990	+		=	1.468
4.	658	+		=	907
5.	371	+		=	587
6.	862	+		=	1.389
7.	306	+		=	509
8.	929	+		=	1.657
9.	369	+		=	730
10.	597	+		=	995

Oefening 2
1.	707	+		=	1.387
2.	866	+		=	1.588
3.	551	+		=	902
4.	859	+		=	1.241
5.	471	+		=	845
6.	892	+		=	1.673
7.	692	+		=	1.103
8.	828	+		=	1.188
9.	484	+		=	945
10.	428	+		=	751

Oefening 3
1.	455	+		=	839
2.	990	+		=	1.273
3.	795	+		=	1.311
4.	933	+		=	1.415
5.	676	+		=	1.269
6.	722	+		=	1.320
7.	887	+		=	1.172
8.	867	+		=	1.387
9.	983	+		=	1.833
10.	919	+		=	1.176

Oefening 4
1.	608	+		=	1.138
2.	395	+		=	745
3.	849	+		=	1.069
4.	489	+		=	963
5.	858	+		=	1.115
6.	917	+		=	1.292
7.	657	+		=	1.083
8.	785	+		=	1.200
9.	538	+		=	796
10.	389	+		=	734

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	531	+	359	=	890
2.	538	+	494	=	1.032
3.	990	+	478	=	1.468
4.	658	+	249	=	907
5.	371	+	216	=	587
6.	862	+	527	=	1.389
7.	306	+	203	=	509
8.	929	+	728	=	1.657
9.	369	+	361	=	730
10.	597	+	398	=	995

Oefening 2
1.	707	+	680	=	1.387
2.	866	+	722	=	1.588
3.	551	+	351	=	902
4.	859	+	382	=	1.241
5.	471	+	374	=	845
6.	892	+	781	=	1.673
7.	692	+	411	=	1.103
8.	828	+	360	=	1.188
9.	484	+	461	=	945
10.	428	+	323	=	751

Oefening 3
1.	455	+	384	=	839
2.	990	+	283	=	1.273
3.	795	+	516	=	1.311
4.	933	+	482	=	1.415
5.	676	+	593	=	1.269
6.	722	+	598	=	1.320
7.	887	+	285	=	1.172
8.	867	+	520	=	1.387
9.	983	+	850	=	1.833
10.	919	+	257	=	1.176

Oefening 4
1.	608	+	530	=	1.138
2.	395	+	350	=	745
3.	849	+	220	=	1.069
4.	489	+	474	=	963
5.	858	+	257	=	1.115
6.	917	+	375	=	1.292
7.	657	+	426	=	1.083
8.	785	+	415	=	1.200
9.	538	+	258	=	796
10.	389	+	345	=	734