Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	661	+		=	1.202
2.	575	+		=	1.015
3.	809	+		=	1.581
4.	694	+		=	1.300
5.	635	+		=	1.037
6.	637	+		=	1.263
7.	525	+		=	1.003
8.	991	+		=	1.333
9.	612	+		=	966
10.	902	+		=	1.366

Oefening 2
1.	997	+		=	1.850
2.	389	+		=	732
3.	610	+		=	929
4.	890	+		=	1.494
5.	865	+		=	1.400
6.	420	+		=	666
7.	852	+		=	1.548
8.	604	+		=	1.035
9.	613	+		=	1.148
10.	485	+		=	889

Oefening 3
1.	478	+		=	863
2.	535	+		=	838
3.	812	+		=	1.332
4.	788	+		=	1.132
5.	629	+		=	841
6.	761	+		=	1.144
7.	961	+		=	1.171
8.	984	+		=	1.463
9.	972	+		=	1.375
10.	847	+		=	1.293

Oefening 4
1.	990	+		=	1.632
2.	567	+		=	1.009
3.	573	+		=	1.091
4.	821	+		=	1.053
5.	513	+		=	793
6.	505	+		=	910
7.	865	+		=	1.583
8.	312	+		=	522
9.	609	+		=	1.173
10.	414	+		=	781

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	661	+	541	=	1.202
2.	575	+	440	=	1.015
3.	809	+	772	=	1.581
4.	694	+	606	=	1.300
5.	635	+	402	=	1.037
6.	637	+	626	=	1.263
7.	525	+	478	=	1.003
8.	991	+	342	=	1.333
9.	612	+	354	=	966
10.	902	+	464	=	1.366

Oefening 2
1.	997	+	853	=	1.850
2.	389	+	343	=	732
3.	610	+	319	=	929
4.	890	+	604	=	1.494
5.	865	+	535	=	1.400
6.	420	+	246	=	666
7.	852	+	696	=	1.548
8.	604	+	431	=	1.035
9.	613	+	535	=	1.148
10.	485	+	404	=	889

Oefening 3
1.	478	+	385	=	863
2.	535	+	303	=	838
3.	812	+	520	=	1.332
4.	788	+	344	=	1.132
5.	629	+	212	=	841
6.	761	+	383	=	1.144
7.	961	+	210	=	1.171
8.	984	+	479	=	1.463
9.	972	+	403	=	1.375
10.	847	+	446	=	1.293

Oefening 4
1.	990	+	642	=	1.632
2.	567	+	442	=	1.009
3.	573	+	518	=	1.091
4.	821	+	232	=	1.053
5.	513	+	280	=	793
6.	505	+	405	=	910
7.	865	+	718	=	1.583
8.	312	+	210	=	522
9.	609	+	564	=	1.173
10.	414	+	367	=	781