Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	574	+		=	817
2.	854	+		=	1.599
3.	641	+		=	1.221
4.	974	+		=	1.854
5.	270	+		=	497
6.	668	+		=	1.321
7.	934	+		=	1.177
8.	558	+		=	1.056
9.	877	+		=	1.102
10.	693	+		=	1.147

Oefening 2
1.	902	+		=	1.758
2.	777	+		=	1.318
3.	996	+		=	1.578
4.	955	+		=	1.350
5.	684	+		=	1.324
6.	323	+		=	622
7.	690	+		=	969
8.	820	+		=	1.186
9.	485	+		=	809
10.	984	+		=	1.902

Oefening 3
1.	685	+		=	1.247
2.	630	+		=	925
3.	589	+		=	929
4.	789	+		=	1.369
5.	567	+		=	851
6.	794	+		=	1.288
7.	316	+		=	548
8.	937	+		=	1.726
9.	824	+		=	1.077
10.	790	+		=	1.440

Oefening 4
1.	882	+		=	1.575
2.	729	+		=	1.201
3.	964	+		=	1.847
4.	784	+		=	1.054
5.	786	+		=	1.208
6.	645	+		=	968
7.	671	+		=	890
8.	707	+		=	1.349
9.	382	+		=	723
10.	878	+		=	1.170

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	574	+	243	=	817
2.	854	+	745	=	1.599
3.	641	+	580	=	1.221
4.	974	+	880	=	1.854
5.	270	+	227	=	497
6.	668	+	653	=	1.321
7.	934	+	243	=	1.177
8.	558	+	498	=	1.056
9.	877	+	225	=	1.102
10.	693	+	454	=	1.147

Oefening 2
1.	902	+	856	=	1.758
2.	777	+	541	=	1.318
3.	996	+	582	=	1.578
4.	955	+	395	=	1.350
5.	684	+	640	=	1.324
6.	323	+	299	=	622
7.	690	+	279	=	969
8.	820	+	366	=	1.186
9.	485	+	324	=	809
10.	984	+	918	=	1.902

Oefening 3
1.	685	+	562	=	1.247
2.	630	+	295	=	925
3.	589	+	340	=	929
4.	789	+	580	=	1.369
5.	567	+	284	=	851
6.	794	+	494	=	1.288
7.	316	+	232	=	548
8.	937	+	789	=	1.726
9.	824	+	253	=	1.077
10.	790	+	650	=	1.440

Oefening 4
1.	882	+	693	=	1.575
2.	729	+	472	=	1.201
3.	964	+	883	=	1.847
4.	784	+	270	=	1.054
5.	786	+	422	=	1.208
6.	645	+	323	=	968
7.	671	+	219	=	890
8.	707	+	642	=	1.349
9.	382	+	341	=	723
10.	878	+	292	=	1.170