Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	656	+		=	961
2.	301	+		=	525
3.	895	+		=	1.500
4.	704	+		=	1.278
5.	993	+		=	1.541
6.	622	+		=	1.214
7.	915	+		=	1.381
8.	709	+		=	1.219
9.	984	+		=	1.361
10.	781	+		=	1.157

Oefening 2
1.	782	+		=	1.253
2.	899	+		=	1.359
3.	675	+		=	1.247
4.	501	+		=	835
5.	849	+		=	1.630
6.	814	+		=	1.385
7.	928	+		=	1.159
8.	949	+		=	1.479
9.	817	+		=	1.106
10.	937	+		=	1.543

Oefening 3
1.	884	+		=	1.596
2.	823	+		=	1.474
3.	990	+		=	1.559
4.	815	+		=	1.519
5.	647	+		=	942
6.	627	+		=	1.073
7.	812	+		=	1.177
8.	949	+		=	1.156
9.	808	+		=	1.297
10.	721	+		=	1.178

Oefening 4
1.	995	+		=	1.738
2.	363	+		=	689
3.	950	+		=	1.594
4.	954	+		=	1.620
5.	950	+		=	1.189
6.	662	+		=	955
7.	340	+		=	598
8.	617	+		=	1.026
9.	476	+		=	820
10.	802	+		=	1.441

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	656	+	305	=	961
2.	301	+	224	=	525
3.	895	+	605	=	1.500
4.	704	+	574	=	1.278
5.	993	+	548	=	1.541
6.	622	+	592	=	1.214
7.	915	+	466	=	1.381
8.	709	+	510	=	1.219
9.	984	+	377	=	1.361
10.	781	+	376	=	1.157

Oefening 2
1.	782	+	471	=	1.253
2.	899	+	460	=	1.359
3.	675	+	572	=	1.247
4.	501	+	334	=	835
5.	849	+	781	=	1.630
6.	814	+	571	=	1.385
7.	928	+	231	=	1.159
8.	949	+	530	=	1.479
9.	817	+	289	=	1.106
10.	937	+	606	=	1.543

Oefening 3
1.	884	+	712	=	1.596
2.	823	+	651	=	1.474
3.	990	+	569	=	1.559
4.	815	+	704	=	1.519
5.	647	+	295	=	942
6.	627	+	446	=	1.073
7.	812	+	365	=	1.177
8.	949	+	207	=	1.156
9.	808	+	489	=	1.297
10.	721	+	457	=	1.178

Oefening 4
1.	995	+	743	=	1.738
2.	363	+	326	=	689
3.	950	+	644	=	1.594
4.	954	+	666	=	1.620
5.	950	+	239	=	1.189
6.	662	+	293	=	955
7.	340	+	258	=	598
8.	617	+	409	=	1.026
9.	476	+	344	=	820
10.	802	+	639	=	1.441