Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	904	+		=	1.562
2.	968	+		=	1.855
3.	346	+		=	600
4.	801	+		=	1.558
5.	805	+		=	1.383
6.	770	+		=	1.255
7.	774	+		=	1.162
8.	798	+		=	1.330
9.	764	+		=	1.421
10.	979	+		=	1.745

Oefening 2
1.	907	+		=	1.760
2.	656	+		=	969
3.	224	+		=	425
4.	776	+		=	1.198
5.	832	+		=	1.568
6.	882	+		=	1.312
7.	677	+		=	1.083
8.	849	+		=	1.114
9.	836	+		=	1.343
10.	804	+		=	1.139

Oefening 3
1.	562	+		=	874
2.	700	+		=	1.006
3.	752	+		=	1.500
4.	907	+		=	1.481
5.	616	+		=	958
6.	988	+		=	1.191
7.	846	+		=	1.317
8.	601	+		=	1.147
9.	582	+		=	1.016
10.	952	+		=	1.826

Oefening 4
1.	520	+		=	773
2.	845	+		=	1.620
3.	434	+		=	637
4.	900	+		=	1.403
5.	479	+		=	711
6.	956	+		=	1.550
7.	531	+		=	814
8.	579	+		=	1.038
9.	466	+		=	890
10.	892	+		=	1.298

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	904	+	658	=	1.562
2.	968	+	887	=	1.855
3.	346	+	254	=	600
4.	801	+	757	=	1.558
5.	805	+	578	=	1.383
6.	770	+	485	=	1.255
7.	774	+	388	=	1.162
8.	798	+	532	=	1.330
9.	764	+	657	=	1.421
10.	979	+	766	=	1.745

Oefening 2
1.	907	+	853	=	1.760
2.	656	+	313	=	969
3.	224	+	201	=	425
4.	776	+	422	=	1.198
5.	832	+	736	=	1.568
6.	882	+	430	=	1.312
7.	677	+	406	=	1.083
8.	849	+	265	=	1.114
9.	836	+	507	=	1.343
10.	804	+	335	=	1.139

Oefening 3
1.	562	+	312	=	874
2.	700	+	306	=	1.006
3.	752	+	748	=	1.500
4.	907	+	574	=	1.481
5.	616	+	342	=	958
6.	988	+	203	=	1.191
7.	846	+	471	=	1.317
8.	601	+	546	=	1.147
9.	582	+	434	=	1.016
10.	952	+	874	=	1.826

Oefening 4
1.	520	+	253	=	773
2.	845	+	775	=	1.620
3.	434	+	203	=	637
4.	900	+	503	=	1.403
5.	479	+	232	=	711
6.	956	+	594	=	1.550
7.	531	+	283	=	814
8.	579	+	459	=	1.038
9.	466	+	424	=	890
10.	892	+	406	=	1.298