Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	283	+		=	489
2.	618	+		=	837
3.	837	+		=	1.270
4.	962	+		=	1.295
5.	804	+		=	1.608
6.	969	+		=	1.576
7.	590	+		=	804
8.	858	+		=	1.535
9.	710	+		=	1.045
10.	756	+		=	1.507

Oefening 2
1.	672	+		=	1.335
2.	861	+		=	1.412
3.	760	+		=	1.402
4.	506	+		=	742
5.	650	+		=	1.252
6.	809	+		=	1.158
7.	891	+		=	1.459
8.	817	+		=	1.441
9.	921	+		=	1.820
10.	814	+		=	1.022

Oefening 3
1.	335	+		=	670
2.	678	+		=	923
3.	855	+		=	1.364
4.	595	+		=	1.074
5.	945	+		=	1.496
6.	917	+		=	1.403
7.	624	+		=	1.024
8.	978	+		=	1.500
9.	808	+		=	1.529
10.	707	+		=	1.017

Oefening 4
1.	227	+		=	449
2.	473	+		=	875
3.	741	+		=	1.450
4.	808	+		=	1.471
5.	977	+		=	1.667
6.	682	+		=	1.160
7.	763	+		=	1.287
8.	936	+		=	1.346
9.	577	+		=	1.009
10.	596	+		=	855

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	283	+	206	=	489
2.	618	+	219	=	837
3.	837	+	433	=	1.270
4.	962	+	333	=	1.295
5.	804	+	804	=	1.608
6.	969	+	607	=	1.576
7.	590	+	214	=	804
8.	858	+	677	=	1.535
9.	710	+	335	=	1.045
10.	756	+	751	=	1.507

Oefening 2
1.	672	+	663	=	1.335
2.	861	+	551	=	1.412
3.	760	+	642	=	1.402
4.	506	+	236	=	742
5.	650	+	602	=	1.252
6.	809	+	349	=	1.158
7.	891	+	568	=	1.459
8.	817	+	624	=	1.441
9.	921	+	899	=	1.820
10.	814	+	208	=	1.022

Oefening 3
1.	335	+	335	=	670
2.	678	+	245	=	923
3.	855	+	509	=	1.364
4.	595	+	479	=	1.074
5.	945	+	551	=	1.496
6.	917	+	486	=	1.403
7.	624	+	400	=	1.024
8.	978	+	522	=	1.500
9.	808	+	721	=	1.529
10.	707	+	310	=	1.017

Oefening 4
1.	227	+	222	=	449
2.	473	+	402	=	875
3.	741	+	709	=	1.450
4.	808	+	663	=	1.471
5.	977	+	690	=	1.667
6.	682	+	478	=	1.160
7.	763	+	524	=	1.287
8.	936	+	410	=	1.346
9.	577	+	432	=	1.009
10.	596	+	259	=	855