Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	431	+		=	698
2.	759	+		=	965
3.	725	+		=	1.217
4.	775	+		=	1.211
5.	606	+		=	1.115
6.	608	+		=	1.086
7.	495	+		=	755
8.	903	+		=	1.667
9.	535	+		=	922
10.	916	+		=	1.510

Oefening 2
1.	977	+		=	1.671
2.	858	+		=	1.532
3.	850	+		=	1.105
4.	860	+		=	1.534
5.	969	+		=	1.562
6.	940	+		=	1.700
7.	884	+		=	1.592
8.	817	+		=	1.388
9.	799	+		=	1.366
10.	801	+		=	1.170

Oefening 3
1.	827	+		=	1.029
2.	649	+		=	1.083
3.	513	+		=	934
4.	778	+		=	1.304
5.	773	+		=	1.187
6.	654	+		=	1.177
7.	943	+		=	1.692
8.	900	+		=	1.171
9.	821	+		=	1.241
10.	713	+		=	1.217

Oefening 4
1.	779	+		=	1.450
2.	873	+		=	1.130
3.	986	+		=	1.243
4.	942	+		=	1.345
5.	460	+		=	824
6.	839	+		=	1.449
7.	961	+		=	1.409
8.	992	+		=	1.469
9.	789	+		=	1.191
10.	548	+		=	843

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	431	+	267	=	698
2.	759	+	206	=	965
3.	725	+	492	=	1.217
4.	775	+	436	=	1.211
5.	606	+	509	=	1.115
6.	608	+	478	=	1.086
7.	495	+	260	=	755
8.	903	+	764	=	1.667
9.	535	+	387	=	922
10.	916	+	594	=	1.510

Oefening 2
1.	977	+	694	=	1.671
2.	858	+	674	=	1.532
3.	850	+	255	=	1.105
4.	860	+	674	=	1.534
5.	969	+	593	=	1.562
6.	940	+	760	=	1.700
7.	884	+	708	=	1.592
8.	817	+	571	=	1.388
9.	799	+	567	=	1.366
10.	801	+	369	=	1.170

Oefening 3
1.	827	+	202	=	1.029
2.	649	+	434	=	1.083
3.	513	+	421	=	934
4.	778	+	526	=	1.304
5.	773	+	414	=	1.187
6.	654	+	523	=	1.177
7.	943	+	749	=	1.692
8.	900	+	271	=	1.171
9.	821	+	420	=	1.241
10.	713	+	504	=	1.217

Oefening 4
1.	779	+	671	=	1.450
2.	873	+	257	=	1.130
3.	986	+	257	=	1.243
4.	942	+	403	=	1.345
5.	460	+	364	=	824
6.	839	+	610	=	1.449
7.	961	+	448	=	1.409
8.	992	+	477	=	1.469
9.	789	+	402	=	1.191
10.	548	+	295	=	843