Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	926	+		=	1.661
2.	430	+		=	843
3.	952	+		=	1.458
4.	880	+		=	1.220
5.	892	+		=	1.138
6.	573	+		=	814
7.	939	+		=	1.352
8.	917	+		=	1.548
9.	270	+		=	485
10.	375	+		=	639

Oefening 2
1.	452	+		=	700
2.	270	+		=	510
3.	952	+		=	1.219
4.	574	+		=	774
5.	767	+		=	1.036
6.	880	+		=	1.365
7.	970	+		=	1.826
8.	507	+		=	962
9.	838	+		=	1.400
10.	974	+		=	1.786

Oefening 3
1.	813	+		=	1.374
2.	823	+		=	1.467
3.	748	+		=	950
4.	659	+		=	1.017
5.	313	+		=	556
6.	649	+		=	949
7.	551	+		=	953
8.	878	+		=	1.302
9.	907	+		=	1.173
10.	809	+		=	1.282

Oefening 4
1.	777	+		=	1.227
2.	894	+		=	1.198
3.	311	+		=	606
4.	534	+		=	760
5.	500	+		=	846
6.	977	+		=	1.751
7.	682	+		=	999
8.	868	+		=	1.120
9.	864	+		=	1.275
10.	930	+		=	1.509

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	926	+	735	=	1.661
2.	430	+	413	=	843
3.	952	+	506	=	1.458
4.	880	+	340	=	1.220
5.	892	+	246	=	1.138
6.	573	+	241	=	814
7.	939	+	413	=	1.352
8.	917	+	631	=	1.548
9.	270	+	215	=	485
10.	375	+	264	=	639

Oefening 2
1.	452	+	248	=	700
2.	270	+	240	=	510
3.	952	+	267	=	1.219
4.	574	+	200	=	774
5.	767	+	269	=	1.036
6.	880	+	485	=	1.365
7.	970	+	856	=	1.826
8.	507	+	455	=	962
9.	838	+	562	=	1.400
10.	974	+	812	=	1.786

Oefening 3
1.	813	+	561	=	1.374
2.	823	+	644	=	1.467
3.	748	+	202	=	950
4.	659	+	358	=	1.017
5.	313	+	243	=	556
6.	649	+	300	=	949
7.	551	+	402	=	953
8.	878	+	424	=	1.302
9.	907	+	266	=	1.173
10.	809	+	473	=	1.282

Oefening 4
1.	777	+	450	=	1.227
2.	894	+	304	=	1.198
3.	311	+	295	=	606
4.	534	+	226	=	760
5.	500	+	346	=	846
6.	977	+	774	=	1.751
7.	682	+	317	=	999
8.	868	+	252	=	1.120
9.	864	+	411	=	1.275
10.	930	+	579	=	1.509