Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	301	+		=	503
2.	775	+		=	1.528
3.	778	+		=	1.096
4.	576	+		=	836
5.	963	+		=	1.870
6.	838	+		=	1.268
7.	721	+		=	1.121
8.	871	+		=	1.323
9.	901	+		=	1.391
10.	363	+		=	686

Oefening 2
1.	915	+		=	1.564
2.	463	+		=	880
3.	864	+		=	1.434
4.	869	+		=	1.090
5.	669	+		=	1.094
6.	968	+		=	1.180
7.	681	+		=	1.304
8.	915	+		=	1.809
9.	990	+		=	1.861
10.	684	+		=	1.249

Oefening 3
1.	898	+		=	1.565
2.	685	+		=	1.117
3.	783	+		=	1.440
4.	986	+		=	1.355
5.	574	+		=	965
6.	478	+		=	717
7.	370	+		=	589
8.	954	+		=	1.755
9.	883	+		=	1.589
10.	475	+		=	753

Oefening 4
1.	726	+		=	1.207
2.	983	+		=	1.370
3.	651	+		=	906
4.	758	+		=	1.330
5.	322	+		=	609
6.	426	+		=	703
7.	929	+		=	1.436
8.	339	+		=	579
9.	735	+		=	1.148
10.	945	+		=	1.490

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	301	+	202	=	503
2.	775	+	753	=	1.528
3.	778	+	318	=	1.096
4.	576	+	260	=	836
5.	963	+	907	=	1.870
6.	838	+	430	=	1.268
7.	721	+	400	=	1.121
8.	871	+	452	=	1.323
9.	901	+	490	=	1.391
10.	363	+	323	=	686

Oefening 2
1.	915	+	649	=	1.564
2.	463	+	417	=	880
3.	864	+	570	=	1.434
4.	869	+	221	=	1.090
5.	669	+	425	=	1.094
6.	968	+	212	=	1.180
7.	681	+	623	=	1.304
8.	915	+	894	=	1.809
9.	990	+	871	=	1.861
10.	684	+	565	=	1.249

Oefening 3
1.	898	+	667	=	1.565
2.	685	+	432	=	1.117
3.	783	+	657	=	1.440
4.	986	+	369	=	1.355
5.	574	+	391	=	965
6.	478	+	239	=	717
7.	370	+	219	=	589
8.	954	+	801	=	1.755
9.	883	+	706	=	1.589
10.	475	+	278	=	753

Oefening 4
1.	726	+	481	=	1.207
2.	983	+	387	=	1.370
3.	651	+	255	=	906
4.	758	+	572	=	1.330
5.	322	+	287	=	609
6.	426	+	277	=	703
7.	929	+	507	=	1.436
8.	339	+	240	=	579
9.	735	+	413	=	1.148
10.	945	+	545	=	1.490