Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	990	+		=	1.272
2.	952	+		=	1.168
3.	842	+		=	1.608
4.	761	+		=	1.146
5.	861	+		=	1.611
6.	939	+		=	1.179
7.	785	+		=	1.014
8.	913	+		=	1.584
9.	539	+		=	1.065
10.	853	+		=	1.682

Oefening 2
1.	759	+		=	1.066
2.	409	+		=	689
3.	889	+		=	1.768
4.	763	+		=	1.066
5.	443	+		=	813
6.	540	+		=	804
7.	911	+		=	1.508
8.	970	+		=	1.398
9.	860	+		=	1.679
10.	537	+		=	992

Oefening 3
1.	912	+		=	1.762
2.	915	+		=	1.180
3.	958	+		=	1.721
4.	713	+		=	1.363
5.	520	+		=	820
6.	929	+		=	1.706
7.	780	+		=	1.167
8.	248	+		=	476
9.	815	+		=	1.270
10.	411	+		=	677

Oefening 4
1.	777	+		=	1.512
2.	860	+		=	1.509
3.	778	+		=	1.067
4.	980	+		=	1.705
5.	820	+		=	1.625
6.	678	+		=	1.230
7.	975	+		=	1.395
8.	985	+		=	1.548
9.	685	+		=	979
10.	652	+		=	970

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	990	+	282	=	1.272
2.	952	+	216	=	1.168
3.	842	+	766	=	1.608
4.	761	+	385	=	1.146
5.	861	+	750	=	1.611
6.	939	+	240	=	1.179
7.	785	+	229	=	1.014
8.	913	+	671	=	1.584
9.	539	+	526	=	1.065
10.	853	+	829	=	1.682

Oefening 2
1.	759	+	307	=	1.066
2.	409	+	280	=	689
3.	889	+	879	=	1.768
4.	763	+	303	=	1.066
5.	443	+	370	=	813
6.	540	+	264	=	804
7.	911	+	597	=	1.508
8.	970	+	428	=	1.398
9.	860	+	819	=	1.679
10.	537	+	455	=	992

Oefening 3
1.	912	+	850	=	1.762
2.	915	+	265	=	1.180
3.	958	+	763	=	1.721
4.	713	+	650	=	1.363
5.	520	+	300	=	820
6.	929	+	777	=	1.706
7.	780	+	387	=	1.167
8.	248	+	228	=	476
9.	815	+	455	=	1.270
10.	411	+	266	=	677

Oefening 4
1.	777	+	735	=	1.512
2.	860	+	649	=	1.509
3.	778	+	289	=	1.067
4.	980	+	725	=	1.705
5.	820	+	805	=	1.625
6.	678	+	552	=	1.230
7.	975	+	420	=	1.395
8.	985	+	563	=	1.548
9.	685	+	294	=	979
10.	652	+	318	=	970