Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	491	+		=	732
2.	709	+		=	1.316
3.	258	+		=	509
4.	915	+		=	1.741
5.	680	+		=	1.223
6.	519	+		=	894
7.	448	+		=	847
8.	670	+		=	917
9.	545	+		=	861
10.	546	+		=	1.043

Oefening 2
1.	275	+		=	507
2.	989	+		=	1.728
3.	941	+		=	1.358
4.	550	+		=	992
5.	403	+		=	611
6.	932	+		=	1.587
7.	997	+		=	1.275
8.	711	+		=	1.350
9.	412	+		=	622
10.	696	+		=	1.133

Oefening 3
1.	599	+		=	865
2.	876	+		=	1.713
3.	925	+		=	1.794
4.	604	+		=	1.159
5.	871	+		=	1.484
6.	750	+		=	1.016
7.	452	+		=	820
8.	677	+		=	1.167
9.	690	+		=	1.016
10.	915	+		=	1.731

Oefening 4
1.	915	+		=	1.212
2.	929	+		=	1.688
3.	912	+		=	1.582
4.	878	+		=	1.441
5.	501	+		=	838
6.	935	+		=	1.713
7.	957	+		=	1.763
8.	757	+		=	1.218
9.	961	+		=	1.358
10.	542	+		=	921

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	491	+	241	=	732
2.	709	+	607	=	1.316
3.	258	+	251	=	509
4.	915	+	826	=	1.741
5.	680	+	543	=	1.223
6.	519	+	375	=	894
7.	448	+	399	=	847
8.	670	+	247	=	917
9.	545	+	316	=	861
10.	546	+	497	=	1.043

Oefening 2
1.	275	+	232	=	507
2.	989	+	739	=	1.728
3.	941	+	417	=	1.358
4.	550	+	442	=	992
5.	403	+	208	=	611
6.	932	+	655	=	1.587
7.	997	+	278	=	1.275
8.	711	+	639	=	1.350
9.	412	+	210	=	622
10.	696	+	437	=	1.133

Oefening 3
1.	599	+	266	=	865
2.	876	+	837	=	1.713
3.	925	+	869	=	1.794
4.	604	+	555	=	1.159
5.	871	+	613	=	1.484
6.	750	+	266	=	1.016
7.	452	+	368	=	820
8.	677	+	490	=	1.167
9.	690	+	326	=	1.016
10.	915	+	816	=	1.731

Oefening 4
1.	915	+	297	=	1.212
2.	929	+	759	=	1.688
3.	912	+	670	=	1.582
4.	878	+	563	=	1.441
5.	501	+	337	=	838
6.	935	+	778	=	1.713
7.	957	+	806	=	1.763
8.	757	+	461	=	1.218
9.	961	+	397	=	1.358
10.	542	+	379	=	921