Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	911	+		=	1.756
2.	305	+		=	529
3.	582	+		=	937
4.	725	+		=	1.204
5.	472	+		=	738
6.	881	+		=	1.105
7.	729	+		=	1.436
8.	994	+		=	1.864
9.	900	+		=	1.533
10.	863	+		=	1.554

Oefening 2
1.	771	+		=	1.386
2.	698	+		=	1.053
3.	981	+		=	1.699
4.	815	+		=	1.402
5.	279	+		=	527
6.	999	+		=	1.551
7.	959	+		=	1.315
8.	816	+		=	1.200
9.	767	+		=	1.088
10.	839	+		=	1.372

Oefening 3
1.	907	+		=	1.383
2.	976	+		=	1.177
3.	617	+		=	1.119
4.	696	+		=	972
5.	563	+		=	830
6.	854	+		=	1.272
7.	646	+		=	932
8.	809	+		=	1.527
9.	822	+		=	1.444
10.	599	+		=	1.079

Oefening 4
1.	711	+		=	1.024
2.	456	+		=	742
3.	735	+		=	1.134
4.	428	+		=	802
5.	725	+		=	1.234
6.	626	+		=	953
7.	790	+		=	1.359
8.	977	+		=	1.252
9.	402	+		=	705
10.	846	+		=	1.168

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	911	+	845	=	1.756
2.	305	+	224	=	529
3.	582	+	355	=	937
4.	725	+	479	=	1.204
5.	472	+	266	=	738
6.	881	+	224	=	1.105
7.	729	+	707	=	1.436
8.	994	+	870	=	1.864
9.	900	+	633	=	1.533
10.	863	+	691	=	1.554

Oefening 2
1.	771	+	615	=	1.386
2.	698	+	355	=	1.053
3.	981	+	718	=	1.699
4.	815	+	587	=	1.402
5.	279	+	248	=	527
6.	999	+	552	=	1.551
7.	959	+	356	=	1.315
8.	816	+	384	=	1.200
9.	767	+	321	=	1.088
10.	839	+	533	=	1.372

Oefening 3
1.	907	+	476	=	1.383
2.	976	+	201	=	1.177
3.	617	+	502	=	1.119
4.	696	+	276	=	972
5.	563	+	267	=	830
6.	854	+	418	=	1.272
7.	646	+	286	=	932
8.	809	+	718	=	1.527
9.	822	+	622	=	1.444
10.	599	+	480	=	1.079

Oefening 4
1.	711	+	313	=	1.024
2.	456	+	286	=	742
3.	735	+	399	=	1.134
4.	428	+	374	=	802
5.	725	+	509	=	1.234
6.	626	+	327	=	953
7.	790	+	569	=	1.359
8.	977	+	275	=	1.252
9.	402	+	303	=	705
10.	846	+	322	=	1.168