Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	898	+		=	1.220
2.	607	+		=	843
3.	978	+		=	1.598
4.	846	+		=	1.387
5.	780	+		=	1.063
6.	806	+		=	1.263
7.	568	+		=	1.131
8.	914	+		=	1.612
9.	574	+		=	1.044
10.	889	+		=	1.542

Oefening 2
1.	695	+		=	1.200
2.	281	+		=	521
3.	914	+		=	1.361
4.	980	+		=	1.592
5.	604	+		=	891
6.	655	+		=	1.244
7.	787	+		=	994
8.	655	+		=	1.044
9.	908	+		=	1.632
10.	989	+		=	1.327

Oefening 3
1.	881	+		=	1.566
2.	580	+		=	1.070
3.	748	+		=	1.155
4.	807	+		=	1.214
5.	616	+		=	1.203
6.	914	+		=	1.825
7.	726	+		=	1.445
8.	847	+		=	1.398
9.	738	+		=	1.391
10.	980	+		=	1.242

Oefening 4
1.	971	+		=	1.245
2.	941	+		=	1.739
3.	225	+		=	427
4.	876	+		=	1.285
5.	692	+		=	1.221
6.	874	+		=	1.209
7.	644	+		=	894
8.	577	+		=	1.125
9.	830	+		=	1.285
10.	897	+		=	1.717

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	898	+	322	=	1.220
2.	607	+	236	=	843
3.	978	+	620	=	1.598
4.	846	+	541	=	1.387
5.	780	+	283	=	1.063
6.	806	+	457	=	1.263
7.	568	+	563	=	1.131
8.	914	+	698	=	1.612
9.	574	+	470	=	1.044
10.	889	+	653	=	1.542

Oefening 2
1.	695	+	505	=	1.200
2.	281	+	240	=	521
3.	914	+	447	=	1.361
4.	980	+	612	=	1.592
5.	604	+	287	=	891
6.	655	+	589	=	1.244
7.	787	+	207	=	994
8.	655	+	389	=	1.044
9.	908	+	724	=	1.632
10.	989	+	338	=	1.327

Oefening 3
1.	881	+	685	=	1.566
2.	580	+	490	=	1.070
3.	748	+	407	=	1.155
4.	807	+	407	=	1.214
5.	616	+	587	=	1.203
6.	914	+	911	=	1.825
7.	726	+	719	=	1.445
8.	847	+	551	=	1.398
9.	738	+	653	=	1.391
10.	980	+	262	=	1.242

Oefening 4
1.	971	+	274	=	1.245
2.	941	+	798	=	1.739
3.	225	+	202	=	427
4.	876	+	409	=	1.285
5.	692	+	529	=	1.221
6.	874	+	335	=	1.209
7.	644	+	250	=	894
8.	577	+	548	=	1.125
9.	830	+	455	=	1.285
10.	897	+	820	=	1.717