Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	839	+		=	1.273
2.	824	+		=	1.230
3.	784	+		=	1.301
4.	859	+		=	1.164
5.	794	+		=	1.183
6.	781	+		=	1.158
7.	524	+		=	816
8.	733	+		=	1.391
9.	556	+		=	968
10.	420	+		=	654

Oefening 2
1.	796	+		=	1.177
2.	596	+		=	948
3.	589	+		=	874
4.	347	+		=	563
5.	614	+		=	1.147
6.	763	+		=	1.269
7.	437	+		=	845
8.	818	+		=	1.567
9.	705	+		=	1.366
10.	520	+		=	974

Oefening 3
1.	996	+		=	1.668
2.	770	+		=	1.350
3.	574	+		=	1.147
4.	562	+		=	1.089
5.	642	+		=	1.052
6.	820	+		=	1.229
7.	539	+		=	1.021
8.	722	+		=	1.029
9.	959	+		=	1.678
10.	948	+		=	1.573

Oefening 4
1.	622	+		=	931
2.	524	+		=	952
3.	718	+		=	1.114
4.	812	+		=	1.432
5.	787	+		=	1.331
6.	625	+		=	868
7.	871	+		=	1.685
8.	708	+		=	928
9.	626	+		=	1.129
10.	638	+		=	921

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	839	+	434	=	1.273
2.	824	+	406	=	1.230
3.	784	+	517	=	1.301
4.	859	+	305	=	1.164
5.	794	+	389	=	1.183
6.	781	+	377	=	1.158
7.	524	+	292	=	816
8.	733	+	658	=	1.391
9.	556	+	412	=	968
10.	420	+	234	=	654

Oefening 2
1.	796	+	381	=	1.177
2.	596	+	352	=	948
3.	589	+	285	=	874
4.	347	+	216	=	563
5.	614	+	533	=	1.147
6.	763	+	506	=	1.269
7.	437	+	408	=	845
8.	818	+	749	=	1.567
9.	705	+	661	=	1.366
10.	520	+	454	=	974

Oefening 3
1.	996	+	672	=	1.668
2.	770	+	580	=	1.350
3.	574	+	573	=	1.147
4.	562	+	527	=	1.089
5.	642	+	410	=	1.052
6.	820	+	409	=	1.229
7.	539	+	482	=	1.021
8.	722	+	307	=	1.029
9.	959	+	719	=	1.678
10.	948	+	625	=	1.573

Oefening 4
1.	622	+	309	=	931
2.	524	+	428	=	952
3.	718	+	396	=	1.114
4.	812	+	620	=	1.432
5.	787	+	544	=	1.331
6.	625	+	243	=	868
7.	871	+	814	=	1.685
8.	708	+	220	=	928
9.	626	+	503	=	1.129
10.	638	+	283	=	921