Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	922	+		=	1.834
2.	447	+		=	725
3.	940	+		=	1.536
4.	345	+		=	601
5.	862	+		=	1.218
6.	404	+		=	744
7.	906	+		=	1.360
8.	914	+		=	1.625
9.	714	+		=	1.124
10.	780	+		=	1.094

Oefening 2
1.	813	+		=	1.286
2.	538	+		=	747
3.	560	+		=	1.073
4.	487	+		=	926
5.	988	+		=	1.216
6.	638	+		=	879
7.	884	+		=	1.218
8.	577	+		=	1.109
9.	912	+		=	1.587
10.	668	+		=	1.294

Oefening 3
1.	414	+		=	676
2.	709	+		=	1.328
3.	762	+		=	1.257
4.	329	+		=	591
5.	792	+		=	1.173
6.	525	+		=	1.027
7.	964	+		=	1.393
8.	676	+		=	1.332
9.	615	+		=	917
10.	518	+		=	798

Oefening 4
1.	546	+		=	764
2.	752	+		=	1.199
3.	937	+		=	1.255
4.	873	+		=	1.213
5.	1.000	+		=	1.630
6.	860	+		=	1.673
7.	657	+		=	938
8.	860	+		=	1.246
9.	994	+		=	1.583
10.	864	+		=	1.695

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	922	+	912	=	1.834
2.	447	+	278	=	725
3.	940	+	596	=	1.536
4.	345	+	256	=	601
5.	862	+	356	=	1.218
6.	404	+	340	=	744
7.	906	+	454	=	1.360
8.	914	+	711	=	1.625
9.	714	+	410	=	1.124
10.	780	+	314	=	1.094

Oefening 2
1.	813	+	473	=	1.286
2.	538	+	209	=	747
3.	560	+	513	=	1.073
4.	487	+	439	=	926
5.	988	+	228	=	1.216
6.	638	+	241	=	879
7.	884	+	334	=	1.218
8.	577	+	532	=	1.109
9.	912	+	675	=	1.587
10.	668	+	626	=	1.294

Oefening 3
1.	414	+	262	=	676
2.	709	+	619	=	1.328
3.	762	+	495	=	1.257
4.	329	+	262	=	591
5.	792	+	381	=	1.173
6.	525	+	502	=	1.027
7.	964	+	429	=	1.393
8.	676	+	656	=	1.332
9.	615	+	302	=	917
10.	518	+	280	=	798

Oefening 4
1.	546	+	218	=	764
2.	752	+	447	=	1.199
3.	937	+	318	=	1.255
4.	873	+	340	=	1.213
5.	1.000	+	630	=	1.630
6.	860	+	813	=	1.673
7.	657	+	281	=	938
8.	860	+	386	=	1.246
9.	994	+	589	=	1.583
10.	864	+	831	=	1.695