Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	974	+		=	1.523
2.	321	+		=	533
3.	561	+		=	1.073
4.	913	+		=	1.289
5.	743	+		=	989
6.	941	+		=	1.194
7.	659	+		=	1.177
8.	648	+		=	1.283
9.	381	+		=	589
10.	599	+		=	879

Oefening 2
1.	806	+		=	1.282
2.	916	+		=	1.381
3.	973	+		=	1.763
4.	619	+		=	974
5.	317	+		=	585
6.	920	+		=	1.806
7.	920	+		=	1.804
8.	599	+		=	826
9.	764	+		=	1.295
10.	948	+		=	1.684

Oefening 3
1.	440	+		=	753
2.	929	+		=	1.378
3.	986	+		=	1.952
4.	970	+		=	1.428
5.	842	+		=	1.209
6.	838	+		=	1.382
7.	799	+		=	1.268
8.	535	+		=	991
9.	740	+		=	984
10.	836	+		=	1.545

Oefening 4
1.	927	+		=	1.309
2.	869	+		=	1.614
3.	798	+		=	1.228
4.	626	+		=	904
5.	728	+		=	993
6.	752	+		=	1.077
7.	295	+		=	549
8.	957	+		=	1.597
9.	960	+		=	1.815
10.	882	+		=	1.582

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	974	+	549	=	1.523
2.	321	+	212	=	533
3.	561	+	512	=	1.073
4.	913	+	376	=	1.289
5.	743	+	246	=	989
6.	941	+	253	=	1.194
7.	659	+	518	=	1.177
8.	648	+	635	=	1.283
9.	381	+	208	=	589
10.	599	+	280	=	879

Oefening 2
1.	806	+	476	=	1.282
2.	916	+	465	=	1.381
3.	973	+	790	=	1.763
4.	619	+	355	=	974
5.	317	+	268	=	585
6.	920	+	886	=	1.806
7.	920	+	884	=	1.804
8.	599	+	227	=	826
9.	764	+	531	=	1.295
10.	948	+	736	=	1.684

Oefening 3
1.	440	+	313	=	753
2.	929	+	449	=	1.378
3.	986	+	966	=	1.952
4.	970	+	458	=	1.428
5.	842	+	367	=	1.209
6.	838	+	544	=	1.382
7.	799	+	469	=	1.268
8.	535	+	456	=	991
9.	740	+	244	=	984
10.	836	+	709	=	1.545

Oefening 4
1.	927	+	382	=	1.309
2.	869	+	745	=	1.614
3.	798	+	430	=	1.228
4.	626	+	278	=	904
5.	728	+	265	=	993
6.	752	+	325	=	1.077
7.	295	+	254	=	549
8.	957	+	640	=	1.597
9.	960	+	855	=	1.815
10.	882	+	700	=	1.582