Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	437	+		=	690
2.	263	+		=	519
3.	975	+		=	1.911
4.	967	+		=	1.453
5.	638	+		=	1.169
6.	658	+		=	1.134
7.	828	+		=	1.630
8.	968	+		=	1.917
9.	966	+		=	1.406
10.	885	+		=	1.582

Oefening 2
1.	966	+		=	1.678
2.	999	+		=	1.284
3.	904	+		=	1.225
4.	356	+		=	675
5.	483	+		=	843
6.	747	+		=	1.433
7.	799	+		=	1.233
8.	871	+		=	1.517
9.	563	+		=	985
10.	805	+		=	1.290

Oefening 3
1.	617	+		=	1.045
2.	1.000	+		=	1.989
3.	311	+		=	540
4.	624	+		=	892
5.	469	+		=	924
6.	483	+		=	687
7.	395	+		=	762
8.	674	+		=	1.247
9.	923	+		=	1.386
10.	724	+		=	1.352

Oefening 4
1.	501	+		=	917
2.	835	+		=	1.036
3.	987	+		=	1.328
4.	763	+		=	1.220
5.	785	+		=	1.108
6.	916	+		=	1.167
7.	290	+		=	523
8.	954	+		=	1.785
9.	362	+		=	663
10.	993	+		=	1.337

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	437	+	253	=	690
2.	263	+	256	=	519
3.	975	+	936	=	1.911
4.	967	+	486	=	1.453
5.	638	+	531	=	1.169
6.	658	+	476	=	1.134
7.	828	+	802	=	1.630
8.	968	+	949	=	1.917
9.	966	+	440	=	1.406
10.	885	+	697	=	1.582

Oefening 2
1.	966	+	712	=	1.678
2.	999	+	285	=	1.284
3.	904	+	321	=	1.225
4.	356	+	319	=	675
5.	483	+	360	=	843
6.	747	+	686	=	1.433
7.	799	+	434	=	1.233
8.	871	+	646	=	1.517
9.	563	+	422	=	985
10.	805	+	485	=	1.290

Oefening 3
1.	617	+	428	=	1.045
2.	1.000	+	989	=	1.989
3.	311	+	229	=	540
4.	624	+	268	=	892
5.	469	+	455	=	924
6.	483	+	204	=	687
7.	395	+	367	=	762
8.	674	+	573	=	1.247
9.	923	+	463	=	1.386
10.	724	+	628	=	1.352

Oefening 4
1.	501	+	416	=	917
2.	835	+	201	=	1.036
3.	987	+	341	=	1.328
4.	763	+	457	=	1.220
5.	785	+	323	=	1.108
6.	916	+	251	=	1.167
7.	290	+	233	=	523
8.	954	+	831	=	1.785
9.	362	+	301	=	663
10.	993	+	344	=	1.337