Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	639	+		=	1.228
2.	990	+		=	1.785
3.	600	+		=	1.170
4.	565	+		=	1.103
5.	534	+		=	780
6.	571	+		=	803
7.	618	+		=	1.090
8.	875	+		=	1.468
9.	923	+		=	1.279
10.	839	+		=	1.247

Oefening 2
1.	905	+		=	1.392
2.	710	+		=	1.315
3.	925	+		=	1.326
4.	641	+		=	1.001
5.	853	+		=	1.243
6.	982	+		=	1.308
7.	559	+		=	1.019
8.	711	+		=	991
9.	395	+		=	639
10.	749	+		=	1.388

Oefening 3
1.	824	+		=	1.370
2.	940	+		=	1.288
3.	674	+		=	954
4.	919	+		=	1.753
5.	892	+		=	1.632
6.	788	+		=	1.437
7.	948	+		=	1.608
8.	986	+		=	1.942
9.	763	+		=	1.038
10.	732	+		=	1.344

Oefening 4
1.	893	+		=	1.689
2.	775	+		=	1.468
3.	899	+		=	1.472
4.	529	+		=	891
5.	875	+		=	1.137
6.	874	+		=	1.394
7.	974	+		=	1.209
8.	971	+		=	1.207
9.	681	+		=	981
10.	778	+		=	1.018

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	639	+	589	=	1.228
2.	990	+	795	=	1.785
3.	600	+	570	=	1.170
4.	565	+	538	=	1.103
5.	534	+	246	=	780
6.	571	+	232	=	803
7.	618	+	472	=	1.090
8.	875	+	593	=	1.468
9.	923	+	356	=	1.279
10.	839	+	408	=	1.247

Oefening 2
1.	905	+	487	=	1.392
2.	710	+	605	=	1.315
3.	925	+	401	=	1.326
4.	641	+	360	=	1.001
5.	853	+	390	=	1.243
6.	982	+	326	=	1.308
7.	559	+	460	=	1.019
8.	711	+	280	=	991
9.	395	+	244	=	639
10.	749	+	639	=	1.388

Oefening 3
1.	824	+	546	=	1.370
2.	940	+	348	=	1.288
3.	674	+	280	=	954
4.	919	+	834	=	1.753
5.	892	+	740	=	1.632
6.	788	+	649	=	1.437
7.	948	+	660	=	1.608
8.	986	+	956	=	1.942
9.	763	+	275	=	1.038
10.	732	+	612	=	1.344

Oefening 4
1.	893	+	796	=	1.689
2.	775	+	693	=	1.468
3.	899	+	573	=	1.472
4.	529	+	362	=	891
5.	875	+	262	=	1.137
6.	874	+	520	=	1.394
7.	974	+	235	=	1.209
8.	971	+	236	=	1.207
9.	681	+	300	=	981
10.	778	+	240	=	1.018