Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	334	+		=	668
2.	732	+		=	1.116
3.	944	+		=	1.212
4.	709	+		=	1.396
5.	345	+		=	546
6.	619	+		=	1.003
7.	371	+		=	600
8.	860	+		=	1.529
9.	927	+		=	1.573
10.	607	+		=	1.094

Oefening 2
1.	598	+		=	1.154
2.	924	+		=	1.551
3.	894	+		=	1.295
4.	818	+		=	1.460
5.	545	+		=	978
6.	808	+		=	1.381
7.	929	+		=	1.213
8.	851	+		=	1.488
9.	949	+		=	1.507
10.	703	+		=	1.360

Oefening 3
1.	889	+		=	1.604
2.	474	+		=	927
3.	495	+		=	911
4.	929	+		=	1.745
5.	842	+		=	1.623
6.	922	+		=	1.760
7.	591	+		=	963
8.	763	+		=	1.525
9.	953	+		=	1.667
10.	735	+		=	1.003

Oefening 4
1.	511	+		=	876
2.	924	+		=	1.610
3.	876	+		=	1.538
4.	876	+		=	1.429
5.	798	+		=	1.106
6.	926	+		=	1.131
7.	440	+		=	808
8.	823	+		=	1.184
9.	814	+		=	1.286
10.	979	+		=	1.836

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	334	+	334	=	668
2.	732	+	384	=	1.116
3.	944	+	268	=	1.212
4.	709	+	687	=	1.396
5.	345	+	201	=	546
6.	619	+	384	=	1.003
7.	371	+	229	=	600
8.	860	+	669	=	1.529
9.	927	+	646	=	1.573
10.	607	+	487	=	1.094

Oefening 2
1.	598	+	556	=	1.154
2.	924	+	627	=	1.551
3.	894	+	401	=	1.295
4.	818	+	642	=	1.460
5.	545	+	433	=	978
6.	808	+	573	=	1.381
7.	929	+	284	=	1.213
8.	851	+	637	=	1.488
9.	949	+	558	=	1.507
10.	703	+	657	=	1.360

Oefening 3
1.	889	+	715	=	1.604
2.	474	+	453	=	927
3.	495	+	416	=	911
4.	929	+	816	=	1.745
5.	842	+	781	=	1.623
6.	922	+	838	=	1.760
7.	591	+	372	=	963
8.	763	+	762	=	1.525
9.	953	+	714	=	1.667
10.	735	+	268	=	1.003

Oefening 4
1.	511	+	365	=	876
2.	924	+	686	=	1.610
3.	876	+	662	=	1.538
4.	876	+	553	=	1.429
5.	798	+	308	=	1.106
6.	926	+	205	=	1.131
7.	440	+	368	=	808
8.	823	+	361	=	1.184
9.	814	+	472	=	1.286
10.	979	+	857	=	1.836