Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	546	+		=	899
2.	747	+		=	1.378
3.	916	+		=	1.272
4.	890	+		=	1.361
5.	729	+		=	1.079
6.	920	+		=	1.492
7.	953	+		=	1.476
8.	925	+		=	1.830
9.	613	+		=	1.182
10.	826	+		=	1.190

Oefening 2
1.	943	+		=	1.185
2.	650	+		=	895
3.	699	+		=	1.174
4.	724	+		=	1.066
5.	737	+		=	1.457
6.	670	+		=	903
7.	908	+		=	1.515
8.	379	+		=	641
9.	390	+		=	668
10.	817	+		=	1.136

Oefening 3
1.	572	+		=	1.003
2.	710	+		=	1.051
3.	969	+		=	1.761
4.	658	+		=	1.236
5.	904	+		=	1.613
6.	784	+		=	1.112
7.	549	+		=	804
8.	863	+		=	1.471
9.	813	+		=	1.117
10.	893	+		=	1.119

Oefening 4
1.	798	+		=	1.594
2.	959	+		=	1.823
3.	967	+		=	1.826
4.	404	+		=	672
5.	459	+		=	833
6.	831	+		=	1.376
7.	598	+		=	1.157
8.	421	+		=	646
9.	924	+		=	1.469
10.	866	+		=	1.644

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	546	+	353	=	899
2.	747	+	631	=	1.378
3.	916	+	356	=	1.272
4.	890	+	471	=	1.361
5.	729	+	350	=	1.079
6.	920	+	572	=	1.492
7.	953	+	523	=	1.476
8.	925	+	905	=	1.830
9.	613	+	569	=	1.182
10.	826	+	364	=	1.190

Oefening 2
1.	943	+	242	=	1.185
2.	650	+	245	=	895
3.	699	+	475	=	1.174
4.	724	+	342	=	1.066
5.	737	+	720	=	1.457
6.	670	+	233	=	903
7.	908	+	607	=	1.515
8.	379	+	262	=	641
9.	390	+	278	=	668
10.	817	+	319	=	1.136

Oefening 3
1.	572	+	431	=	1.003
2.	710	+	341	=	1.051
3.	969	+	792	=	1.761
4.	658	+	578	=	1.236
5.	904	+	709	=	1.613
6.	784	+	328	=	1.112
7.	549	+	255	=	804
8.	863	+	608	=	1.471
9.	813	+	304	=	1.117
10.	893	+	226	=	1.119

Oefening 4
1.	798	+	796	=	1.594
2.	959	+	864	=	1.823
3.	967	+	859	=	1.826
4.	404	+	268	=	672
5.	459	+	374	=	833
6.	831	+	545	=	1.376
7.	598	+	559	=	1.157
8.	421	+	225	=	646
9.	924	+	545	=	1.469
10.	866	+	778	=	1.644