Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	449	+		=	863
2.	285	+		=	536
3.	529	+		=	929
4.	769	+		=	1.300
5.	813	+		=	1.411
6.	792	+		=	1.367
7.	250	+		=	473
8.	898	+		=	1.746
9.	760	+		=	1.127
10.	764	+		=	1.007

Oefening 2
1.	691	+		=	1.174
2.	800	+		=	1.364
3.	571	+		=	864
4.	882	+		=	1.595
5.	847	+		=	1.446
6.	864	+		=	1.640
7.	856	+		=	1.137
8.	343	+		=	684
9.	756	+		=	1.295
10.	627	+		=	1.139

Oefening 3
1.	915	+		=	1.820
2.	997	+		=	1.492
3.	638	+		=	1.060
4.	844	+		=	1.235
5.	708	+		=	1.303
6.	535	+		=	917
7.	629	+		=	1.022
8.	231	+		=	446
9.	685	+		=	1.324
10.	860	+		=	1.108

Oefening 4
1.	901	+		=	1.492
2.	933	+		=	1.305
3.	553	+		=	933
4.	861	+		=	1.492
5.	967	+		=	1.393
6.	757	+		=	1.222
7.	854	+		=	1.631
8.	694	+		=	1.180
9.	730	+		=	1.393
10.	991	+		=	1.901

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	449	+	414	=	863
2.	285	+	251	=	536
3.	529	+	400	=	929
4.	769	+	531	=	1.300
5.	813	+	598	=	1.411
6.	792	+	575	=	1.367
7.	250	+	223	=	473
8.	898	+	848	=	1.746
9.	760	+	367	=	1.127
10.	764	+	243	=	1.007

Oefening 2
1.	691	+	483	=	1.174
2.	800	+	564	=	1.364
3.	571	+	293	=	864
4.	882	+	713	=	1.595
5.	847	+	599	=	1.446
6.	864	+	776	=	1.640
7.	856	+	281	=	1.137
8.	343	+	341	=	684
9.	756	+	539	=	1.295
10.	627	+	512	=	1.139

Oefening 3
1.	915	+	905	=	1.820
2.	997	+	495	=	1.492
3.	638	+	422	=	1.060
4.	844	+	391	=	1.235
5.	708	+	595	=	1.303
6.	535	+	382	=	917
7.	629	+	393	=	1.022
8.	231	+	215	=	446
9.	685	+	639	=	1.324
10.	860	+	248	=	1.108

Oefening 4
1.	901	+	591	=	1.492
2.	933	+	372	=	1.305
3.	553	+	380	=	933
4.	861	+	631	=	1.492
5.	967	+	426	=	1.393
6.	757	+	465	=	1.222
7.	854	+	777	=	1.631
8.	694	+	486	=	1.180
9.	730	+	663	=	1.393
10.	991	+	910	=	1.901