Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	485	+		=	785
2.	448	+		=	780
3.	595	+		=	835
4.	660	+		=	1.120
5.	789	+		=	1.144
6.	793	+		=	1.287
7.	618	+		=	1.225
8.	957	+		=	1.368
9.	323	+		=	556
10.	970	+		=	1.200

Oefening 2
1.	654	+		=	1.086
2.	406	+		=	686
3.	965	+		=	1.197
4.	814	+		=	1.413
5.	976	+		=	1.867
6.	907	+		=	1.296
7.	525	+		=	876
8.	616	+		=	1.145
9.	625	+		=	1.092
10.	376	+		=	649

Oefening 3
1.	934	+		=	1.375
2.	867	+		=	1.592
3.	768	+		=	1.010
4.	857	+		=	1.315
5.	662	+		=	1.260
6.	676	+		=	1.083
7.	619	+		=	841
8.	778	+		=	1.106
9.	853	+		=	1.267
10.	588	+		=	914

Oefening 4
1.	583	+		=	876
2.	912	+		=	1.621
3.	622	+		=	901
4.	952	+		=	1.830
5.	827	+		=	1.528
6.	875	+		=	1.328
7.	926	+		=	1.242
8.	934	+		=	1.680
9.	833	+		=	1.360
10.	937	+		=	1.851

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	485	+	300	=	785
2.	448	+	332	=	780
3.	595	+	240	=	835
4.	660	+	460	=	1.120
5.	789	+	355	=	1.144
6.	793	+	494	=	1.287
7.	618	+	607	=	1.225
8.	957	+	411	=	1.368
9.	323	+	233	=	556
10.	970	+	230	=	1.200

Oefening 2
1.	654	+	432	=	1.086
2.	406	+	280	=	686
3.	965	+	232	=	1.197
4.	814	+	599	=	1.413
5.	976	+	891	=	1.867
6.	907	+	389	=	1.296
7.	525	+	351	=	876
8.	616	+	529	=	1.145
9.	625	+	467	=	1.092
10.	376	+	273	=	649

Oefening 3
1.	934	+	441	=	1.375
2.	867	+	725	=	1.592
3.	768	+	242	=	1.010
4.	857	+	458	=	1.315
5.	662	+	598	=	1.260
6.	676	+	407	=	1.083
7.	619	+	222	=	841
8.	778	+	328	=	1.106
9.	853	+	414	=	1.267
10.	588	+	326	=	914

Oefening 4
1.	583	+	293	=	876
2.	912	+	709	=	1.621
3.	622	+	279	=	901
4.	952	+	878	=	1.830
5.	827	+	701	=	1.528
6.	875	+	453	=	1.328
7.	926	+	316	=	1.242
8.	934	+	746	=	1.680
9.	833	+	527	=	1.360
10.	937	+	914	=	1.851