Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	906	+		=	1.226
2.	720	+		=	1.017
3.	476	+		=	702
4.	318	+		=	534
5.	563	+		=	1.035
6.	815	+		=	1.123
7.	814	+		=	1.241
8.	809	+		=	1.325
9.	440	+		=	772
10.	524	+		=	959

Oefening 2
1.	789	+		=	1.045
2.	820	+		=	1.059
3.	886	+		=	1.381
4.	890	+		=	1.536
5.	845	+		=	1.483
6.	908	+		=	1.459
7.	627	+		=	1.221
8.	906	+		=	1.725
9.	1.000	+		=	1.329
10.	459	+		=	775

Oefening 3
1.	991	+		=	1.387
2.	948	+		=	1.284
3.	641	+		=	866
4.	702	+		=	1.074
5.	576	+		=	1.140
6.	908	+		=	1.439
7.	995	+		=	1.802
8.	966	+		=	1.416
9.	737	+		=	1.406
10.	986	+		=	1.426

Oefening 4
1.	719	+		=	1.148
2.	999	+		=	1.537
3.	873	+		=	1.277
4.	941	+		=	1.190
5.	617	+		=	865
6.	762	+		=	973
7.	321	+		=	567
8.	963	+		=	1.850
9.	880	+		=	1.627
10.	914	+		=	1.161

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	906	+	320	=	1.226
2.	720	+	297	=	1.017
3.	476	+	226	=	702
4.	318	+	216	=	534
5.	563	+	472	=	1.035
6.	815	+	308	=	1.123
7.	814	+	427	=	1.241
8.	809	+	516	=	1.325
9.	440	+	332	=	772
10.	524	+	435	=	959

Oefening 2
1.	789	+	256	=	1.045
2.	820	+	239	=	1.059
3.	886	+	495	=	1.381
4.	890	+	646	=	1.536
5.	845	+	638	=	1.483
6.	908	+	551	=	1.459
7.	627	+	594	=	1.221
8.	906	+	819	=	1.725
9.	1.000	+	329	=	1.329
10.	459	+	316	=	775

Oefening 3
1.	991	+	396	=	1.387
2.	948	+	336	=	1.284
3.	641	+	225	=	866
4.	702	+	372	=	1.074
5.	576	+	564	=	1.140
6.	908	+	531	=	1.439
7.	995	+	807	=	1.802
8.	966	+	450	=	1.416
9.	737	+	669	=	1.406
10.	986	+	440	=	1.426

Oefening 4
1.	719	+	429	=	1.148
2.	999	+	538	=	1.537
3.	873	+	404	=	1.277
4.	941	+	249	=	1.190
5.	617	+	248	=	865
6.	762	+	211	=	973
7.	321	+	246	=	567
8.	963	+	887	=	1.850
9.	880	+	747	=	1.627
10.	914	+	247	=	1.161