Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	475	+		=	731
2.	335	+		=	649
3.	882	+		=	1.327
4.	968	+		=	1.385
5.	532	+		=	938
6.	952	+		=	1.694
7.	679	+		=	1.220
8.	894	+		=	1.304
9.	990	+		=	1.214
10.	500	+		=	905

Oefening 2
1.	663	+		=	922
2.	826	+		=	1.648
3.	688	+		=	1.013
4.	700	+		=	1.211
5.	508	+		=	838
6.	997	+		=	1.833
7.	310	+		=	603
8.	657	+		=	1.157
9.	795	+		=	1.480
10.	908	+		=	1.613

Oefening 3
1.	772	+		=	1.047
2.	979	+		=	1.590
3.	987	+		=	1.269
4.	720	+		=	1.045
5.	872	+		=	1.659
6.	382	+		=	725
7.	929	+		=	1.732
8.	472	+		=	777
9.	600	+		=	1.059
10.	812	+		=	1.105

Oefening 4
1.	652	+		=	945
2.	606	+		=	985
3.	811	+		=	1.303
4.	753	+		=	1.454
5.	753	+		=	1.176
6.	469	+		=	769
7.	720	+		=	1.058
8.	816	+		=	1.356
9.	362	+		=	704
10.	741	+		=	1.406

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	475	+	256	=	731
2.	335	+	314	=	649
3.	882	+	445	=	1.327
4.	968	+	417	=	1.385
5.	532	+	406	=	938
6.	952	+	742	=	1.694
7.	679	+	541	=	1.220
8.	894	+	410	=	1.304
9.	990	+	224	=	1.214
10.	500	+	405	=	905

Oefening 2
1.	663	+	259	=	922
2.	826	+	822	=	1.648
3.	688	+	325	=	1.013
4.	700	+	511	=	1.211
5.	508	+	330	=	838
6.	997	+	836	=	1.833
7.	310	+	293	=	603
8.	657	+	500	=	1.157
9.	795	+	685	=	1.480
10.	908	+	705	=	1.613

Oefening 3
1.	772	+	275	=	1.047
2.	979	+	611	=	1.590
3.	987	+	282	=	1.269
4.	720	+	325	=	1.045
5.	872	+	787	=	1.659
6.	382	+	343	=	725
7.	929	+	803	=	1.732
8.	472	+	305	=	777
9.	600	+	459	=	1.059
10.	812	+	293	=	1.105

Oefening 4
1.	652	+	293	=	945
2.	606	+	379	=	985
3.	811	+	492	=	1.303
4.	753	+	701	=	1.454
5.	753	+	423	=	1.176
6.	469	+	300	=	769
7.	720	+	338	=	1.058
8.	816	+	540	=	1.356
9.	362	+	342	=	704
10.	741	+	665	=	1.406