Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	865	+		=	1.386
2.	778	+		=	1.109
3.	883	+		=	1.460
4.	465	+		=	876
5.	569	+		=	1.004
6.	562	+		=	1.088
7.	478	+		=	838
8.	785	+		=	1.498
9.	448	+		=	746
10.	595	+		=	961

Oefening 2
1.	723	+		=	1.261
2.	559	+		=	787
3.	726	+		=	1.255
4.	881	+		=	1.190
5.	996	+		=	1.686
6.	992	+		=	1.924
7.	986	+		=	1.684
8.	498	+		=	782
9.	496	+		=	895
10.	357	+		=	674

Oefening 3
1.	599	+		=	959
2.	733	+		=	1.052
3.	948	+		=	1.826
4.	810	+		=	1.105
5.	831	+		=	1.481
6.	877	+		=	1.593
7.	597	+		=	860
8.	834	+		=	1.383
9.	678	+		=	1.186
10.	610	+		=	830

Oefening 4
1.	878	+		=	1.751
2.	675	+		=	1.294
3.	746	+		=	1.340
4.	900	+		=	1.491
5.	882	+		=	1.610
6.	234	+		=	457
7.	568	+		=	985
8.	269	+		=	518
9.	986	+		=	1.900
10.	538	+		=	969

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	865	+	521	=	1.386
2.	778	+	331	=	1.109
3.	883	+	577	=	1.460
4.	465	+	411	=	876
5.	569	+	435	=	1.004
6.	562	+	526	=	1.088
7.	478	+	360	=	838
8.	785	+	713	=	1.498
9.	448	+	298	=	746
10.	595	+	366	=	961

Oefening 2
1.	723	+	538	=	1.261
2.	559	+	228	=	787
3.	726	+	529	=	1.255
4.	881	+	309	=	1.190
5.	996	+	690	=	1.686
6.	992	+	932	=	1.924
7.	986	+	698	=	1.684
8.	498	+	284	=	782
9.	496	+	399	=	895
10.	357	+	317	=	674

Oefening 3
1.	599	+	360	=	959
2.	733	+	319	=	1.052
3.	948	+	878	=	1.826
4.	810	+	295	=	1.105
5.	831	+	650	=	1.481
6.	877	+	716	=	1.593
7.	597	+	263	=	860
8.	834	+	549	=	1.383
9.	678	+	508	=	1.186
10.	610	+	220	=	830

Oefening 4
1.	878	+	873	=	1.751
2.	675	+	619	=	1.294
3.	746	+	594	=	1.340
4.	900	+	591	=	1.491
5.	882	+	728	=	1.610
6.	234	+	223	=	457
7.	568	+	417	=	985
8.	269	+	249	=	518
9.	986	+	914	=	1.900
10.	538	+	431	=	969