Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	726	+		=	970
2.	873	+		=	1.421
3.	658	+		=	1.222
4.	379	+		=	725
5.	458	+		=	749
6.	802	+		=	1.316
7.	666	+		=	1.301
8.	693	+		=	1.282
9.	658	+		=	950
10.	988	+		=	1.735

Oefening 2
1.	781	+		=	1.213
2.	632	+		=	1.075
3.	614	+		=	1.144
4.	459	+		=	780
5.	724	+		=	1.430
6.	961	+		=	1.559
7.	723	+		=	1.076
8.	970	+		=	1.272
9.	724	+		=	1.230
10.	703	+		=	1.246

Oefening 3
1.	672	+		=	1.333
2.	807	+		=	1.234
3.	964	+		=	1.754
4.	848	+		=	1.125
5.	681	+		=	1.088
6.	549	+		=	982
7.	982	+		=	1.492
8.	801	+		=	1.532
9.	926	+		=	1.346
10.	995	+		=	1.749

Oefening 4
1.	796	+		=	1.162
2.	978	+		=	1.829
3.	388	+		=	677
4.	845	+		=	1.208
5.	942	+		=	1.627
6.	772	+		=	1.503
7.	682	+		=	1.342
8.	845	+		=	1.239
9.	567	+		=	971
10.	688	+		=	1.003

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	726	+	244	=	970
2.	873	+	548	=	1.421
3.	658	+	564	=	1.222
4.	379	+	346	=	725
5.	458	+	291	=	749
6.	802	+	514	=	1.316
7.	666	+	635	=	1.301
8.	693	+	589	=	1.282
9.	658	+	292	=	950
10.	988	+	747	=	1.735

Oefening 2
1.	781	+	432	=	1.213
2.	632	+	443	=	1.075
3.	614	+	530	=	1.144
4.	459	+	321	=	780
5.	724	+	706	=	1.430
6.	961	+	598	=	1.559
7.	723	+	353	=	1.076
8.	970	+	302	=	1.272
9.	724	+	506	=	1.230
10.	703	+	543	=	1.246

Oefening 3
1.	672	+	661	=	1.333
2.	807	+	427	=	1.234
3.	964	+	790	=	1.754
4.	848	+	277	=	1.125
5.	681	+	407	=	1.088
6.	549	+	433	=	982
7.	982	+	510	=	1.492
8.	801	+	731	=	1.532
9.	926	+	420	=	1.346
10.	995	+	754	=	1.749

Oefening 4
1.	796	+	366	=	1.162
2.	978	+	851	=	1.829
3.	388	+	289	=	677
4.	845	+	363	=	1.208
5.	942	+	685	=	1.627
6.	772	+	731	=	1.503
7.	682	+	660	=	1.342
8.	845	+	394	=	1.239
9.	567	+	404	=	971
10.	688	+	315	=	1.003