Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	989	+		=	1.223
2.	311	+		=	577
3.	891	+		=	1.244
4.	492	+		=	837
5.	701	+		=	1.035
6.	799	+		=	1.292
7.	1.000	+		=	1.753
8.	991	+		=	1.801
9.	529	+		=	953
10.	890	+		=	1.567

Oefening 2
1.	914	+		=	1.214
2.	866	+		=	1.077
3.	711	+		=	1.269
4.	996	+		=	1.290
5.	807	+		=	1.282
6.	560	+		=	1.111
7.	923	+		=	1.354
8.	513	+		=	888
9.	817	+		=	1.100
10.	615	+		=	1.157

Oefening 3
1.	442	+		=	869
2.	761	+		=	1.134
3.	758	+		=	1.085
4.	908	+		=	1.796
5.	328	+		=	564
6.	936	+		=	1.582
7.	751	+		=	1.439
8.	899	+		=	1.731
9.	975	+		=	1.838
10.	554	+		=	771

Oefening 4
1.	875	+		=	1.486
2.	560	+		=	1.016
3.	948	+		=	1.537
4.	614	+		=	1.065
5.	871	+		=	1.218
6.	400	+		=	700
7.	515	+		=	906
8.	819	+		=	1.035
9.	506	+		=	788
10.	663	+		=	996

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	989	+	234	=	1.223
2.	311	+	266	=	577
3.	891	+	353	=	1.244
4.	492	+	345	=	837
5.	701	+	334	=	1.035
6.	799	+	493	=	1.292
7.	1.000	+	753	=	1.753
8.	991	+	810	=	1.801
9.	529	+	424	=	953
10.	890	+	677	=	1.567

Oefening 2
1.	914	+	300	=	1.214
2.	866	+	211	=	1.077
3.	711	+	558	=	1.269
4.	996	+	294	=	1.290
5.	807	+	475	=	1.282
6.	560	+	551	=	1.111
7.	923	+	431	=	1.354
8.	513	+	375	=	888
9.	817	+	283	=	1.100
10.	615	+	542	=	1.157

Oefening 3
1.	442	+	427	=	869
2.	761	+	373	=	1.134
3.	758	+	327	=	1.085
4.	908	+	888	=	1.796
5.	328	+	236	=	564
6.	936	+	646	=	1.582
7.	751	+	688	=	1.439
8.	899	+	832	=	1.731
9.	975	+	863	=	1.838
10.	554	+	217	=	771

Oefening 4
1.	875	+	611	=	1.486
2.	560	+	456	=	1.016
3.	948	+	589	=	1.537
4.	614	+	451	=	1.065
5.	871	+	347	=	1.218
6.	400	+	300	=	700
7.	515	+	391	=	906
8.	819	+	216	=	1.035
9.	506	+	282	=	788
10.	663	+	333	=	996