Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	957	+		=	1.825
2.	791	+		=	1.253
3.	867	+		=	1.628
4.	976	+		=	1.852
5.	536	+		=	809
6.	594	+		=	831
7.	320	+		=	525
8.	939	+		=	1.160
9.	756	+		=	1.436
10.	843	+		=	1.188

Oefening 2
1.	698	+		=	940
2.	693	+		=	1.064
3.	763	+		=	1.069
4.	323	+		=	640
5.	972	+		=	1.420
6.	733	+		=	1.312
7.	736	+		=	1.391
8.	919	+		=	1.252
9.	992	+		=	1.517
10.	358	+		=	641

Oefening 3
1.	499	+		=	923
2.	931	+		=	1.317
3.	834	+		=	1.217
4.	446	+		=	716
5.	590	+		=	1.062
6.	658	+		=	1.034
7.	376	+		=	734
8.	322	+		=	629
9.	989	+		=	1.977
10.	998	+		=	1.596

Oefening 4
1.	657	+		=	1.086
2.	653	+		=	1.293
3.	808	+		=	1.569
4.	913	+		=	1.783
5.	946	+		=	1.301
6.	585	+		=	1.134
7.	892	+		=	1.462
8.	990	+		=	1.694
9.	414	+		=	629
10.	620	+		=	1.045

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	957	+	868	=	1.825
2.	791	+	462	=	1.253
3.	867	+	761	=	1.628
4.	976	+	876	=	1.852
5.	536	+	273	=	809
6.	594	+	237	=	831
7.	320	+	205	=	525
8.	939	+	221	=	1.160
9.	756	+	680	=	1.436
10.	843	+	345	=	1.188

Oefening 2
1.	698	+	242	=	940
2.	693	+	371	=	1.064
3.	763	+	306	=	1.069
4.	323	+	317	=	640
5.	972	+	448	=	1.420
6.	733	+	579	=	1.312
7.	736	+	655	=	1.391
8.	919	+	333	=	1.252
9.	992	+	525	=	1.517
10.	358	+	283	=	641

Oefening 3
1.	499	+	424	=	923
2.	931	+	386	=	1.317
3.	834	+	383	=	1.217
4.	446	+	270	=	716
5.	590	+	472	=	1.062
6.	658	+	376	=	1.034
7.	376	+	358	=	734
8.	322	+	307	=	629
9.	989	+	988	=	1.977
10.	998	+	598	=	1.596

Oefening 4
1.	657	+	429	=	1.086
2.	653	+	640	=	1.293
3.	808	+	761	=	1.569
4.	913	+	870	=	1.783
5.	946	+	355	=	1.301
6.	585	+	549	=	1.134
7.	892	+	570	=	1.462
8.	990	+	704	=	1.694
9.	414	+	215	=	629
10.	620	+	425	=	1.045