Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	467	+		=	845
2.	743	+		=	1.327
3.	839	+		=	1.615
4.	536	+		=	965
5.	876	+		=	1.406
6.	975	+		=	1.588
7.	964	+		=	1.236
8.	840	+		=	1.257
9.	986	+		=	1.318
10.	875	+		=	1.208

Oefening 2
1.	642	+		=	1.282
2.	725	+		=	1.160
3.	867	+		=	1.185
4.	242	+		=	477
5.	956	+		=	1.326
6.	493	+		=	977
7.	878	+		=	1.094
8.	891	+		=	1.247
9.	738	+		=	1.358
10.	595	+		=	915

Oefening 3
1.	717	+		=	1.054
2.	373	+		=	688
3.	581	+		=	796
4.	650	+		=	907
5.	979	+		=	1.201
6.	982	+		=	1.748
7.	891	+		=	1.694
8.	994	+		=	1.763
9.	965	+		=	1.888
10.	625	+		=	859

Oefening 4
1.	901	+		=	1.717
2.	829	+		=	1.397
3.	911	+		=	1.464
4.	797	+		=	1.486
5.	577	+		=	786
6.	655	+		=	1.232
7.	935	+		=	1.817
8.	981	+		=	1.544
9.	818	+		=	1.402
10.	790	+		=	1.186

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	467	+	378	=	845
2.	743	+	584	=	1.327
3.	839	+	776	=	1.615
4.	536	+	429	=	965
5.	876	+	530	=	1.406
6.	975	+	613	=	1.588
7.	964	+	272	=	1.236
8.	840	+	417	=	1.257
9.	986	+	332	=	1.318
10.	875	+	333	=	1.208

Oefening 2
1.	642	+	640	=	1.282
2.	725	+	435	=	1.160
3.	867	+	318	=	1.185
4.	242	+	235	=	477
5.	956	+	370	=	1.326
6.	493	+	484	=	977
7.	878	+	216	=	1.094
8.	891	+	356	=	1.247
9.	738	+	620	=	1.358
10.	595	+	320	=	915

Oefening 3
1.	717	+	337	=	1.054
2.	373	+	315	=	688
3.	581	+	215	=	796
4.	650	+	257	=	907
5.	979	+	222	=	1.201
6.	982	+	766	=	1.748
7.	891	+	803	=	1.694
8.	994	+	769	=	1.763
9.	965	+	923	=	1.888
10.	625	+	234	=	859

Oefening 4
1.	901	+	816	=	1.717
2.	829	+	568	=	1.397
3.	911	+	553	=	1.464
4.	797	+	689	=	1.486
5.	577	+	209	=	786
6.	655	+	577	=	1.232
7.	935	+	882	=	1.817
8.	981	+	563	=	1.544
9.	818	+	584	=	1.402
10.	790	+	396	=	1.186