Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	638	+		=	1.004
2.	619	+		=	1.111
3.	386	+		=	734
4.	282	+		=	498
5.	988	+		=	1.387
6.	657	+		=	938
7.	918	+		=	1.363
8.	719	+		=	1.198
9.	326	+		=	565
10.	868	+		=	1.704

Oefening 2
1.	783	+		=	1.475
2.	950	+		=	1.728
3.	991	+		=	1.616
4.	648	+		=	929
5.	881	+		=	1.213
6.	871	+		=	1.187
7.	734	+		=	1.313
8.	741	+		=	1.167
9.	619	+		=	909
10.	948	+		=	1.769

Oefening 3
1.	898	+		=	1.113
2.	342	+		=	628
3.	643	+		=	1.042
4.	550	+		=	950
5.	780	+		=	1.099
6.	881	+		=	1.088
7.	860	+		=	1.196
8.	876	+		=	1.408
9.	956	+		=	1.205
10.	840	+		=	1.113

Oefening 4
1.	629	+		=	1.040
2.	960	+		=	1.780
3.	669	+		=	1.267
4.	901	+		=	1.164
5.	432	+		=	680
6.	911	+		=	1.517
7.	519	+		=	858
8.	827	+		=	1.440
9.	493	+		=	717
10.	903	+		=	1.630

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	638	+	366	=	1.004
2.	619	+	492	=	1.111
3.	386	+	348	=	734
4.	282	+	216	=	498
5.	988	+	399	=	1.387
6.	657	+	281	=	938
7.	918	+	445	=	1.363
8.	719	+	479	=	1.198
9.	326	+	239	=	565
10.	868	+	836	=	1.704

Oefening 2
1.	783	+	692	=	1.475
2.	950	+	778	=	1.728
3.	991	+	625	=	1.616
4.	648	+	281	=	929
5.	881	+	332	=	1.213
6.	871	+	316	=	1.187
7.	734	+	579	=	1.313
8.	741	+	426	=	1.167
9.	619	+	290	=	909
10.	948	+	821	=	1.769

Oefening 3
1.	898	+	215	=	1.113
2.	342	+	286	=	628
3.	643	+	399	=	1.042
4.	550	+	400	=	950
5.	780	+	319	=	1.099
6.	881	+	207	=	1.088
7.	860	+	336	=	1.196
8.	876	+	532	=	1.408
9.	956	+	249	=	1.205
10.	840	+	273	=	1.113

Oefening 4
1.	629	+	411	=	1.040
2.	960	+	820	=	1.780
3.	669	+	598	=	1.267
4.	901	+	263	=	1.164
5.	432	+	248	=	680
6.	911	+	606	=	1.517
7.	519	+	339	=	858
8.	827	+	613	=	1.440
9.	493	+	224	=	717
10.	903	+	727	=	1.630