Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	332	+		=	645
2.	640	+		=	897
3.	547	+		=	813
4.	710	+		=	1.109
5.	756	+		=	1.138
6.	714	+		=	1.101
7.	954	+		=	1.616
8.	909	+		=	1.803
9.	537	+		=	1.024
10.	541	+		=	937

Oefening 2
1.	539	+		=	948
2.	708	+		=	1.045
3.	505	+		=	756
4.	653	+		=	1.124
5.	904	+		=	1.198
6.	422	+		=	628
7.	620	+		=	833
8.	887	+		=	1.248
9.	816	+		=	1.339
10.	843	+		=	1.465

Oefening 3
1.	783	+		=	1.284
2.	706	+		=	1.289
3.	993	+		=	1.360
4.	750	+		=	1.167
5.	980	+		=	1.351
6.	716	+		=	1.356
7.	930	+		=	1.780
8.	763	+		=	1.504
9.	952	+		=	1.678
10.	920	+		=	1.387

Oefening 4
1.	531	+		=	895
2.	549	+		=	994
3.	879	+		=	1.284
4.	613	+		=	888
5.	873	+		=	1.461
6.	708	+		=	1.160
7.	824	+		=	1.134
8.	574	+		=	1.032
9.	365	+		=	717
10.	898	+		=	1.557

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	332	+	313	=	645
2.	640	+	257	=	897
3.	547	+	266	=	813
4.	710	+	399	=	1.109
5.	756	+	382	=	1.138
6.	714	+	387	=	1.101
7.	954	+	662	=	1.616
8.	909	+	894	=	1.803
9.	537	+	487	=	1.024
10.	541	+	396	=	937

Oefening 2
1.	539	+	409	=	948
2.	708	+	337	=	1.045
3.	505	+	251	=	756
4.	653	+	471	=	1.124
5.	904	+	294	=	1.198
6.	422	+	206	=	628
7.	620	+	213	=	833
8.	887	+	361	=	1.248
9.	816	+	523	=	1.339
10.	843	+	622	=	1.465

Oefening 3
1.	783	+	501	=	1.284
2.	706	+	583	=	1.289
3.	993	+	367	=	1.360
4.	750	+	417	=	1.167
5.	980	+	371	=	1.351
6.	716	+	640	=	1.356
7.	930	+	850	=	1.780
8.	763	+	741	=	1.504
9.	952	+	726	=	1.678
10.	920	+	467	=	1.387

Oefening 4
1.	531	+	364	=	895
2.	549	+	445	=	994
3.	879	+	405	=	1.284
4.	613	+	275	=	888
5.	873	+	588	=	1.461
6.	708	+	452	=	1.160
7.	824	+	310	=	1.134
8.	574	+	458	=	1.032
9.	365	+	352	=	717
10.	898	+	659	=	1.557