Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	899	+		=	1.735
2.	948	+		=	1.481
3.	858	+		=	1.384
4.	867	+		=	1.472
5.	849	+		=	1.636
6.	563	+		=	833
7.	378	+		=	687
8.	795	+		=	1.254
9.	380	+		=	666
10.	590	+		=	1.126

Oefening 2
1.	795	+		=	1.403
2.	242	+		=	479
3.	933	+		=	1.411
4.	918	+		=	1.440
5.	439	+		=	852
6.	432	+		=	823
7.	755	+		=	1.003
8.	690	+		=	1.154
9.	513	+		=	723
10.	929	+		=	1.679

Oefening 3
1.	883	+		=	1.462
2.	459	+		=	915
3.	877	+		=	1.080
4.	955	+		=	1.187
5.	930	+		=	1.673
6.	898	+		=	1.770
7.	995	+		=	1.615
8.	970	+		=	1.528
9.	273	+		=	484
10.	794	+		=	1.541

Oefening 4
1.	465	+		=	721
2.	963	+		=	1.606
3.	487	+		=	793
4.	831	+		=	1.301
5.	518	+		=	929
6.	459	+		=	732
7.	842	+		=	1.158
8.	803	+		=	1.035
9.	788	+		=	1.464
10.	886	+		=	1.545

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	899	+	836	=	1.735
2.	948	+	533	=	1.481
3.	858	+	526	=	1.384
4.	867	+	605	=	1.472
5.	849	+	787	=	1.636
6.	563	+	270	=	833
7.	378	+	309	=	687
8.	795	+	459	=	1.254
9.	380	+	286	=	666
10.	590	+	536	=	1.126

Oefening 2
1.	795	+	608	=	1.403
2.	242	+	237	=	479
3.	933	+	478	=	1.411
4.	918	+	522	=	1.440
5.	439	+	413	=	852
6.	432	+	391	=	823
7.	755	+	248	=	1.003
8.	690	+	464	=	1.154
9.	513	+	210	=	723
10.	929	+	750	=	1.679

Oefening 3
1.	883	+	579	=	1.462
2.	459	+	456	=	915
3.	877	+	203	=	1.080
4.	955	+	232	=	1.187
5.	930	+	743	=	1.673
6.	898	+	872	=	1.770
7.	995	+	620	=	1.615
8.	970	+	558	=	1.528
9.	273	+	211	=	484
10.	794	+	747	=	1.541

Oefening 4
1.	465	+	256	=	721
2.	963	+	643	=	1.606
3.	487	+	306	=	793
4.	831	+	470	=	1.301
5.	518	+	411	=	929
6.	459	+	273	=	732
7.	842	+	316	=	1.158
8.	803	+	232	=	1.035
9.	788	+	676	=	1.464
10.	886	+	659	=	1.545