Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	950	+		=	1.225
2.	967	+		=	1.797
3.	486	+		=	877
4.	754	+		=	1.459
5.	971	+		=	1.879
6.	745	+		=	1.357
7.	960	+		=	1.474
8.	304	+		=	552
9.	702	+		=	1.386
10.	933	+		=	1.224

Oefening 2
1.	690	+		=	918
2.	873	+		=	1.211
3.	728	+		=	1.067
4.	488	+		=	802
5.	670	+		=	1.049
6.	699	+		=	1.060
7.	771	+		=	1.279
8.	724	+		=	1.008
9.	868	+		=	1.504
10.	746	+		=	1.224

Oefening 3
1.	984	+		=	1.496
2.	863	+		=	1.403
3.	641	+		=	1.072
4.	385	+		=	728
5.	666	+		=	918
6.	823	+		=	1.053
7.	910	+		=	1.710
8.	742	+		=	1.472
9.	331	+		=	566
10.	933	+		=	1.592

Oefening 4
1.	527	+		=	772
2.	465	+		=	721
3.	963	+		=	1.812
4.	906	+		=	1.706
5.	690	+		=	1.149
6.	851	+		=	1.304
7.	678	+		=	1.344
8.	500	+		=	999
9.	983	+		=	1.616
10.	676	+		=	1.113

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	950	+	275	=	1.225
2.	967	+	830	=	1.797
3.	486	+	391	=	877
4.	754	+	705	=	1.459
5.	971	+	908	=	1.879
6.	745	+	612	=	1.357
7.	960	+	514	=	1.474
8.	304	+	248	=	552
9.	702	+	684	=	1.386
10.	933	+	291	=	1.224

Oefening 2
1.	690	+	228	=	918
2.	873	+	338	=	1.211
3.	728	+	339	=	1.067
4.	488	+	314	=	802
5.	670	+	379	=	1.049
6.	699	+	361	=	1.060
7.	771	+	508	=	1.279
8.	724	+	284	=	1.008
9.	868	+	636	=	1.504
10.	746	+	478	=	1.224

Oefening 3
1.	984	+	512	=	1.496
2.	863	+	540	=	1.403
3.	641	+	431	=	1.072
4.	385	+	343	=	728
5.	666	+	252	=	918
6.	823	+	230	=	1.053
7.	910	+	800	=	1.710
8.	742	+	730	=	1.472
9.	331	+	235	=	566
10.	933	+	659	=	1.592

Oefening 4
1.	527	+	245	=	772
2.	465	+	256	=	721
3.	963	+	849	=	1.812
4.	906	+	800	=	1.706
5.	690	+	459	=	1.149
6.	851	+	453	=	1.304
7.	678	+	666	=	1.344
8.	500	+	499	=	999
9.	983	+	633	=	1.616
10.	676	+	437	=	1.113