Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	287	+		=	504
2.	624	+		=	937
3.	719	+		=	1.144
4.	783	+		=	1.085
5.	771	+		=	1.483
6.	628	+		=	977
7.	971	+		=	1.189
8.	619	+		=	975
9.	833	+		=	1.283
10.	846	+		=	1.280

Oefening 2
1.	993	+		=	1.464
2.	813	+		=	1.035
3.	896	+		=	1.351
4.	703	+		=	1.165
5.	912	+		=	1.742
6.	815	+		=	1.085
7.	993	+		=	1.827
8.	497	+		=	880
9.	598	+		=	1.001
10.	596	+		=	835

Oefening 3
1.	730	+		=	1.093
2.	465	+		=	773
3.	593	+		=	860
4.	577	+		=	1.024
5.	731	+		=	980
6.	729	+		=	1.420
7.	453	+		=	756
8.	821	+		=	1.574
9.	430	+		=	827
10.	978	+		=	1.625

Oefening 4
1.	853	+		=	1.196
2.	856	+		=	1.565
3.	634	+		=	910
4.	918	+		=	1.494
5.	602	+		=	923
6.	889	+		=	1.687
7.	382	+		=	725
8.	652	+		=	1.253
9.	781	+		=	1.451
10.	652	+		=	1.017

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	287	+	217	=	504
2.	624	+	313	=	937
3.	719	+	425	=	1.144
4.	783	+	302	=	1.085
5.	771	+	712	=	1.483
6.	628	+	349	=	977
7.	971	+	218	=	1.189
8.	619	+	356	=	975
9.	833	+	450	=	1.283
10.	846	+	434	=	1.280

Oefening 2
1.	993	+	471	=	1.464
2.	813	+	222	=	1.035
3.	896	+	455	=	1.351
4.	703	+	462	=	1.165
5.	912	+	830	=	1.742
6.	815	+	270	=	1.085
7.	993	+	834	=	1.827
8.	497	+	383	=	880
9.	598	+	403	=	1.001
10.	596	+	239	=	835

Oefening 3
1.	730	+	363	=	1.093
2.	465	+	308	=	773
3.	593	+	267	=	860
4.	577	+	447	=	1.024
5.	731	+	249	=	980
6.	729	+	691	=	1.420
7.	453	+	303	=	756
8.	821	+	753	=	1.574
9.	430	+	397	=	827
10.	978	+	647	=	1.625

Oefening 4
1.	853	+	343	=	1.196
2.	856	+	709	=	1.565
3.	634	+	276	=	910
4.	918	+	576	=	1.494
5.	602	+	321	=	923
6.	889	+	798	=	1.687
7.	382	+	343	=	725
8.	652	+	601	=	1.253
9.	781	+	670	=	1.451
10.	652	+	365	=	1.017