Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	788	+		=	1.089
2.	850	+		=	1.399
3.	412	+		=	624
4.	414	+		=	747
5.	543	+		=	1.083
6.	281	+		=	540
7.	428	+		=	689
8.	889	+		=	1.514
9.	977	+		=	1.247
10.	642	+		=	1.138

Oefening 2
1.	644	+		=	921
2.	659	+		=	1.010
3.	615	+		=	816
4.	997	+		=	1.363
5.	896	+		=	1.225
6.	447	+		=	844
7.	643	+		=	1.232
8.	773	+		=	1.484
9.	569	+		=	1.013
10.	982	+		=	1.347

Oefening 3
1.	563	+		=	798
2.	681	+		=	954
3.	975	+		=	1.298
4.	683	+		=	1.139
5.	520	+		=	816
6.	751	+		=	1.361
7.	842	+		=	1.575
8.	830	+		=	1.204
9.	739	+		=	1.230
10.	734	+		=	1.324

Oefening 4
1.	897	+		=	1.752
2.	841	+		=	1.079
3.	769	+		=	1.219
4.	758	+		=	1.374
5.	792	+		=	1.463
6.	692	+		=	962
7.	852	+		=	1.115
8.	953	+		=	1.567
9.	990	+		=	1.590
10.	433	+		=	648

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	788	+	301	=	1.089
2.	850	+	549	=	1.399
3.	412	+	212	=	624
4.	414	+	333	=	747
5.	543	+	540	=	1.083
6.	281	+	259	=	540
7.	428	+	261	=	689
8.	889	+	625	=	1.514
9.	977	+	270	=	1.247
10.	642	+	496	=	1.138

Oefening 2
1.	644	+	277	=	921
2.	659	+	351	=	1.010
3.	615	+	201	=	816
4.	997	+	366	=	1.363
5.	896	+	329	=	1.225
6.	447	+	397	=	844
7.	643	+	589	=	1.232
8.	773	+	711	=	1.484
9.	569	+	444	=	1.013
10.	982	+	365	=	1.347

Oefening 3
1.	563	+	235	=	798
2.	681	+	273	=	954
3.	975	+	323	=	1.298
4.	683	+	456	=	1.139
5.	520	+	296	=	816
6.	751	+	610	=	1.361
7.	842	+	733	=	1.575
8.	830	+	374	=	1.204
9.	739	+	491	=	1.230
10.	734	+	590	=	1.324

Oefening 4
1.	897	+	855	=	1.752
2.	841	+	238	=	1.079
3.	769	+	450	=	1.219
4.	758	+	616	=	1.374
5.	792	+	671	=	1.463
6.	692	+	270	=	962
7.	852	+	263	=	1.115
8.	953	+	614	=	1.567
9.	990	+	600	=	1.590
10.	433	+	215	=	648