Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	821	+		=	1.353
2.	446	+		=	831
3.	886	+		=	1.201
4.	970	+		=	1.924
5.	897	+		=	1.158
6.	922	+		=	1.193
7.	581	+		=	1.000
8.	834	+		=	1.257
9.	825	+		=	1.479
10.	766	+		=	1.263

Oefening 2
1.	472	+		=	803
2.	547	+		=	1.078
3.	870	+		=	1.437
4.	428	+		=	727
5.	970	+		=	1.765
6.	357	+		=	640
7.	923	+		=	1.345
8.	693	+		=	1.147
9.	789	+		=	1.501
10.	648	+		=	1.266

Oefening 3
1.	840	+		=	1.509
2.	818	+		=	1.569
3.	646	+		=	1.108
4.	941	+		=	1.632
5.	288	+		=	564
6.	606	+		=	1.100
7.	441	+		=	719
8.	974	+		=	1.934
9.	850	+		=	1.427
10.	531	+		=	954

Oefening 4
1.	637	+		=	1.035
2.	930	+		=	1.154
3.	761	+		=	1.186
4.	984	+		=	1.511
5.	893	+		=	1.242
6.	973	+		=	1.253
7.	737	+		=	1.380
8.	894	+		=	1.342
9.	742	+		=	1.154
10.	969	+		=	1.436

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	821	+	532	=	1.353
2.	446	+	385	=	831
3.	886	+	315	=	1.201
4.	970	+	954	=	1.924
5.	897	+	261	=	1.158
6.	922	+	271	=	1.193
7.	581	+	419	=	1.000
8.	834	+	423	=	1.257
9.	825	+	654	=	1.479
10.	766	+	497	=	1.263

Oefening 2
1.	472	+	331	=	803
2.	547	+	531	=	1.078
3.	870	+	567	=	1.437
4.	428	+	299	=	727
5.	970	+	795	=	1.765
6.	357	+	283	=	640
7.	923	+	422	=	1.345
8.	693	+	454	=	1.147
9.	789	+	712	=	1.501
10.	648	+	618	=	1.266

Oefening 3
1.	840	+	669	=	1.509
2.	818	+	751	=	1.569
3.	646	+	462	=	1.108
4.	941	+	691	=	1.632
5.	288	+	276	=	564
6.	606	+	494	=	1.100
7.	441	+	278	=	719
8.	974	+	960	=	1.934
9.	850	+	577	=	1.427
10.	531	+	423	=	954

Oefening 4
1.	637	+	398	=	1.035
2.	930	+	224	=	1.154
3.	761	+	425	=	1.186
4.	984	+	527	=	1.511
5.	893	+	349	=	1.242
6.	973	+	280	=	1.253
7.	737	+	643	=	1.380
8.	894	+	448	=	1.342
9.	742	+	412	=	1.154
10.	969	+	467	=	1.436