Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	993	+		=	1.478
2.	850	+		=	1.251
3.	771	+		=	1.113
4.	894	+		=	1.596
5.	532	+		=	944
6.	817	+		=	1.326
7.	841	+		=	1.366
8.	989	+		=	1.313
9.	321	+		=	600
10.	317	+		=	628

Oefening 2
1.	468	+		=	737
2.	981	+		=	1.747
3.	793	+		=	1.260
4.	913	+		=	1.726
5.	766	+		=	1.271
6.	640	+		=	1.101
7.	968	+		=	1.620
8.	367	+		=	642
9.	580	+		=	1.054
10.	785	+		=	1.472

Oefening 3
1.	939	+		=	1.679
2.	582	+		=	1.059
3.	992	+		=	1.787
4.	469	+		=	838
5.	960	+		=	1.726
6.	424	+		=	723
7.	413	+		=	788
8.	482	+		=	695
9.	770	+		=	1.006
10.	531	+		=	926

Oefening 4
1.	509	+		=	877
2.	691	+		=	1.214
3.	265	+		=	510
4.	887	+		=	1.164
5.	779	+		=	1.393
6.	314	+		=	525
7.	801	+		=	1.580
8.	969	+		=	1.476
9.	969	+		=	1.618
10.	789	+		=	1.045

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	993	+	485	=	1.478
2.	850	+	401	=	1.251
3.	771	+	342	=	1.113
4.	894	+	702	=	1.596
5.	532	+	412	=	944
6.	817	+	509	=	1.326
7.	841	+	525	=	1.366
8.	989	+	324	=	1.313
9.	321	+	279	=	600
10.	317	+	311	=	628

Oefening 2
1.	468	+	269	=	737
2.	981	+	766	=	1.747
3.	793	+	467	=	1.260
4.	913	+	813	=	1.726
5.	766	+	505	=	1.271
6.	640	+	461	=	1.101
7.	968	+	652	=	1.620
8.	367	+	275	=	642
9.	580	+	474	=	1.054
10.	785	+	687	=	1.472

Oefening 3
1.	939	+	740	=	1.679
2.	582	+	477	=	1.059
3.	992	+	795	=	1.787
4.	469	+	369	=	838
5.	960	+	766	=	1.726
6.	424	+	299	=	723
7.	413	+	375	=	788
8.	482	+	213	=	695
9.	770	+	236	=	1.006
10.	531	+	395	=	926

Oefening 4
1.	509	+	368	=	877
2.	691	+	523	=	1.214
3.	265	+	245	=	510
4.	887	+	277	=	1.164
5.	779	+	614	=	1.393
6.	314	+	211	=	525
7.	801	+	779	=	1.580
8.	969	+	507	=	1.476
9.	969	+	649	=	1.618
10.	789	+	256	=	1.045