Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	440	+		=	810
2.	901	+		=	1.293
3.	560	+		=	1.098
4.	729	+		=	1.236
5.	883	+		=	1.526
6.	679	+		=	1.240
7.	278	+		=	547
8.	648	+		=	1.240
9.	777	+		=	1.117
10.	945	+		=	1.488

Oefening 2
1.	643	+		=	957
2.	860	+		=	1.312
3.	761	+		=	1.217
4.	426	+		=	700
5.	633	+		=	1.040
6.	645	+		=	1.121
7.	927	+		=	1.661
8.	941	+		=	1.852
9.	631	+		=	1.068
10.	918	+		=	1.684

Oefening 3
1.	629	+		=	1.071
2.	985	+		=	1.656
3.	721	+		=	1.425
4.	594	+		=	800
5.	741	+		=	1.399
6.	529	+		=	1.004
7.	940	+		=	1.638
8.	896	+		=	1.419
9.	883	+		=	1.428
10.	801	+		=	1.082

Oefening 4
1.	419	+		=	791
2.	247	+		=	462
3.	743	+		=	977
4.	951	+		=	1.667
5.	560	+		=	892
6.	508	+		=	973
7.	789	+		=	1.225
8.	900	+		=	1.415
9.	863	+		=	1.189
10.	595	+		=	885

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	440	+	370	=	810
2.	901	+	392	=	1.293
3.	560	+	538	=	1.098
4.	729	+	507	=	1.236
5.	883	+	643	=	1.526
6.	679	+	561	=	1.240
7.	278	+	269	=	547
8.	648	+	592	=	1.240
9.	777	+	340	=	1.117
10.	945	+	543	=	1.488

Oefening 2
1.	643	+	314	=	957
2.	860	+	452	=	1.312
3.	761	+	456	=	1.217
4.	426	+	274	=	700
5.	633	+	407	=	1.040
6.	645	+	476	=	1.121
7.	927	+	734	=	1.661
8.	941	+	911	=	1.852
9.	631	+	437	=	1.068
10.	918	+	766	=	1.684

Oefening 3
1.	629	+	442	=	1.071
2.	985	+	671	=	1.656
3.	721	+	704	=	1.425
4.	594	+	206	=	800
5.	741	+	658	=	1.399
6.	529	+	475	=	1.004
7.	940	+	698	=	1.638
8.	896	+	523	=	1.419
9.	883	+	545	=	1.428
10.	801	+	281	=	1.082

Oefening 4
1.	419	+	372	=	791
2.	247	+	215	=	462
3.	743	+	234	=	977
4.	951	+	716	=	1.667
5.	560	+	332	=	892
6.	508	+	465	=	973
7.	789	+	436	=	1.225
8.	900	+	515	=	1.415
9.	863	+	326	=	1.189
10.	595	+	290	=	885