Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	275	+		=	514
2.	638	+		=	903
3.	743	+		=	1.318
4.	983	+		=	1.695
5.	924	+		=	1.535
6.	806	+		=	1.435
7.	782	+		=	1.268
8.	766	+		=	1.104
9.	419	+		=	720
10.	851	+		=	1.400

Oefening 2
1.	808	+		=	1.199
2.	546	+		=	900
3.	655	+		=	1.236
4.	833	+		=	1.214
5.	704	+		=	1.124
6.	316	+		=	608
7.	875	+		=	1.661
8.	528	+		=	922
9.	982	+		=	1.954
10.	807	+		=	1.354

Oefening 3
1.	922	+		=	1.196
2.	994	+		=	1.208
3.	573	+		=	1.017
4.	856	+		=	1.180
5.	846	+		=	1.248
6.	678	+		=	1.200
7.	995	+		=	1.670
8.	548	+		=	969
9.	826	+		=	1.400
10.	583	+		=	1.109

Oefening 4
1.	882	+		=	1.401
2.	982	+		=	1.319
3.	532	+		=	821
4.	786	+		=	1.158
5.	870	+		=	1.551
6.	499	+		=	895
7.	800	+		=	1.223
8.	913	+		=	1.334
9.	920	+		=	1.625
10.	576	+		=	1.129

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	275	+	239	=	514
2.	638	+	265	=	903
3.	743	+	575	=	1.318
4.	983	+	712	=	1.695
5.	924	+	611	=	1.535
6.	806	+	629	=	1.435
7.	782	+	486	=	1.268
8.	766	+	338	=	1.104
9.	419	+	301	=	720
10.	851	+	549	=	1.400

Oefening 2
1.	808	+	391	=	1.199
2.	546	+	354	=	900
3.	655	+	581	=	1.236
4.	833	+	381	=	1.214
5.	704	+	420	=	1.124
6.	316	+	292	=	608
7.	875	+	786	=	1.661
8.	528	+	394	=	922
9.	982	+	972	=	1.954
10.	807	+	547	=	1.354

Oefening 3
1.	922	+	274	=	1.196
2.	994	+	214	=	1.208
3.	573	+	444	=	1.017
4.	856	+	324	=	1.180
5.	846	+	402	=	1.248
6.	678	+	522	=	1.200
7.	995	+	675	=	1.670
8.	548	+	421	=	969
9.	826	+	574	=	1.400
10.	583	+	526	=	1.109

Oefening 4
1.	882	+	519	=	1.401
2.	982	+	337	=	1.319
3.	532	+	289	=	821
4.	786	+	372	=	1.158
5.	870	+	681	=	1.551
6.	499	+	396	=	895
7.	800	+	423	=	1.223
8.	913	+	421	=	1.334
9.	920	+	705	=	1.625
10.	576	+	553	=	1.129