Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	656	+		=	1.272
2.	471	+		=	803
3.	807	+		=	1.041
4.	769	+		=	1.174
5.	929	+		=	1.454
6.	579	+		=	855
7.	405	+		=	742
8.	894	+		=	1.409
9.	808	+		=	1.466
10.	704	+		=	1.151

Oefening 2
1.	731	+		=	1.307
2.	879	+		=	1.337
3.	755	+		=	1.410
4.	971	+		=	1.639
5.	896	+		=	1.329
6.	821	+		=	1.292
7.	987	+		=	1.508
8.	978	+		=	1.945
9.	591	+		=	946
10.	838	+		=	1.412

Oefening 3
1.	722	+		=	948
2.	636	+		=	1.129
3.	705	+		=	1.274
4.	885	+		=	1.495
5.	875	+		=	1.224
6.	999	+		=	1.724
7.	674	+		=	1.257
8.	926	+		=	1.474
9.	702	+		=	1.105
10.	423	+		=	808

Oefening 4
1.	819	+		=	1.192
2.	562	+		=	976
3.	901	+		=	1.477
4.	836	+		=	1.223
5.	893	+		=	1.622
6.	880	+		=	1.631
7.	613	+		=	1.083
8.	623	+		=	902
9.	431	+		=	736
10.	925	+		=	1.585

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	656	+	616	=	1.272
2.	471	+	332	=	803
3.	807	+	234	=	1.041
4.	769	+	405	=	1.174
5.	929	+	525	=	1.454
6.	579	+	276	=	855
7.	405	+	337	=	742
8.	894	+	515	=	1.409
9.	808	+	658	=	1.466
10.	704	+	447	=	1.151

Oefening 2
1.	731	+	576	=	1.307
2.	879	+	458	=	1.337
3.	755	+	655	=	1.410
4.	971	+	668	=	1.639
5.	896	+	433	=	1.329
6.	821	+	471	=	1.292
7.	987	+	521	=	1.508
8.	978	+	967	=	1.945
9.	591	+	355	=	946
10.	838	+	574	=	1.412

Oefening 3
1.	722	+	226	=	948
2.	636	+	493	=	1.129
3.	705	+	569	=	1.274
4.	885	+	610	=	1.495
5.	875	+	349	=	1.224
6.	999	+	725	=	1.724
7.	674	+	583	=	1.257
8.	926	+	548	=	1.474
9.	702	+	403	=	1.105
10.	423	+	385	=	808

Oefening 4
1.	819	+	373	=	1.192
2.	562	+	414	=	976
3.	901	+	576	=	1.477
4.	836	+	387	=	1.223
5.	893	+	729	=	1.622
6.	880	+	751	=	1.631
7.	613	+	470	=	1.083
8.	623	+	279	=	902
9.	431	+	305	=	736
10.	925	+	660	=	1.585