Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	526	+		=	781
2.	894	+		=	1.615
3.	436	+		=	702
4.	613	+		=	1.132
5.	691	+		=	1.368
6.	479	+		=	728
7.	961	+		=	1.529
8.	878	+		=	1.419
9.	617	+		=	1.064
10.	659	+		=	1.272

Oefening 2
1.	768	+		=	1.315
2.	812	+		=	1.205
3.	493	+		=	926
4.	584	+		=	1.086
5.	339	+		=	623
6.	419	+		=	688
7.	934	+		=	1.642
8.	822	+		=	1.263
9.	803	+		=	1.349
10.	699	+		=	941

Oefening 3
1.	941	+		=	1.813
2.	660	+		=	1.115
3.	906	+		=	1.237
4.	568	+		=	966
5.	971	+		=	1.478
6.	920	+		=	1.515
7.	486	+		=	894
8.	577	+		=	872
9.	949	+		=	1.827
10.	891	+		=	1.732

Oefening 4
1.	613	+		=	1.208
2.	987	+		=	1.898
3.	700	+		=	1.005
4.	722	+		=	1.018
5.	812	+		=	1.590
6.	489	+		=	976
7.	265	+		=	467
8.	512	+		=	996
9.	805	+		=	1.117
10.	949	+		=	1.559

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	526	+	255	=	781
2.	894	+	721	=	1.615
3.	436	+	266	=	702
4.	613	+	519	=	1.132
5.	691	+	677	=	1.368
6.	479	+	249	=	728
7.	961	+	568	=	1.529
8.	878	+	541	=	1.419
9.	617	+	447	=	1.064
10.	659	+	613	=	1.272

Oefening 2
1.	768	+	547	=	1.315
2.	812	+	393	=	1.205
3.	493	+	433	=	926
4.	584	+	502	=	1.086
5.	339	+	284	=	623
6.	419	+	269	=	688
7.	934	+	708	=	1.642
8.	822	+	441	=	1.263
9.	803	+	546	=	1.349
10.	699	+	242	=	941

Oefening 3
1.	941	+	872	=	1.813
2.	660	+	455	=	1.115
3.	906	+	331	=	1.237
4.	568	+	398	=	966
5.	971	+	507	=	1.478
6.	920	+	595	=	1.515
7.	486	+	408	=	894
8.	577	+	295	=	872
9.	949	+	878	=	1.827
10.	891	+	841	=	1.732

Oefening 4
1.	613	+	595	=	1.208
2.	987	+	911	=	1.898
3.	700	+	305	=	1.005
4.	722	+	296	=	1.018
5.	812	+	778	=	1.590
6.	489	+	487	=	976
7.	265	+	202	=	467
8.	512	+	484	=	996
9.	805	+	312	=	1.117
10.	949	+	610	=	1.559