Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	915	+		=	1.353
2.	795	+		=	1.351
3.	989	+		=	1.411
4.	636	+		=	892
5.	863	+		=	1.341
6.	910	+		=	1.454
7.	890	+		=	1.344
8.	985	+		=	1.477
9.	681	+		=	1.305
10.	946	+		=	1.594

Oefening 2
1.	465	+		=	807
2.	774	+		=	988
3.	864	+		=	1.395
4.	584	+		=	1.143
5.	453	+		=	846
6.	905	+		=	1.130
7.	958	+		=	1.619
8.	753	+		=	1.407
9.	905	+		=	1.543
10.	559	+		=	1.091

Oefening 3
1.	704	+		=	931
2.	547	+		=	992
3.	627	+		=	1.132
4.	370	+		=	605
5.	739	+		=	1.002
6.	932	+		=	1.542
7.	750	+		=	1.039
8.	635	+		=	1.092
9.	711	+		=	1.294
10.	463	+		=	856

Oefening 4
1.	869	+		=	1.557
2.	423	+		=	745
3.	863	+		=	1.662
4.	465	+		=	861
5.	980	+		=	1.859
6.	829	+		=	1.410
7.	949	+		=	1.164
8.	945	+		=	1.456
9.	679	+		=	997
10.	800	+		=	1.328

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	915	+	438	=	1.353
2.	795	+	556	=	1.351
3.	989	+	422	=	1.411
4.	636	+	256	=	892
5.	863	+	478	=	1.341
6.	910	+	544	=	1.454
7.	890	+	454	=	1.344
8.	985	+	492	=	1.477
9.	681	+	624	=	1.305
10.	946	+	648	=	1.594

Oefening 2
1.	465	+	342	=	807
2.	774	+	214	=	988
3.	864	+	531	=	1.395
4.	584	+	559	=	1.143
5.	453	+	393	=	846
6.	905	+	225	=	1.130
7.	958	+	661	=	1.619
8.	753	+	654	=	1.407
9.	905	+	638	=	1.543
10.	559	+	532	=	1.091

Oefening 3
1.	704	+	227	=	931
2.	547	+	445	=	992
3.	627	+	505	=	1.132
4.	370	+	235	=	605
5.	739	+	263	=	1.002
6.	932	+	610	=	1.542
7.	750	+	289	=	1.039
8.	635	+	457	=	1.092
9.	711	+	583	=	1.294
10.	463	+	393	=	856

Oefening 4
1.	869	+	688	=	1.557
2.	423	+	322	=	745
3.	863	+	799	=	1.662
4.	465	+	396	=	861
5.	980	+	879	=	1.859
6.	829	+	581	=	1.410
7.	949	+	215	=	1.164
8.	945	+	511	=	1.456
9.	679	+	318	=	997
10.	800	+	528	=	1.328