Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	900	+		=	1.745
2.	903	+		=	1.253
3.	761	+		=	1.179
4.	212	+		=	421
5.	488	+		=	835
6.	569	+		=	1.130
7.	453	+		=	769
8.	387	+		=	664
9.	813	+		=	1.435
10.	792	+		=	1.015

Oefening 2
1.	908	+		=	1.547
2.	719	+		=	1.117
3.	690	+		=	1.062
4.	939	+		=	1.384
5.	981	+		=	1.813
6.	683	+		=	1.270
7.	890	+		=	1.617
8.	797	+		=	1.443
9.	923	+		=	1.387
10.	730	+		=	1.297

Oefening 3
1.	907	+		=	1.763
2.	567	+		=	774
3.	539	+		=	744
4.	311	+		=	610
5.	962	+		=	1.698
6.	997	+		=	1.945
7.	597	+		=	970
8.	275	+		=	532
9.	378	+		=	578
10.	655	+		=	1.158

Oefening 4
1.	907	+		=	1.117
2.	677	+		=	1.261
3.	347	+		=	678
4.	708	+		=	919
5.	942	+		=	1.269
6.	987	+		=	1.287
7.	782	+		=	1.260
8.	685	+		=	1.214
9.	215	+		=	416
10.	999	+		=	1.940

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	900	+	845	=	1.745
2.	903	+	350	=	1.253
3.	761	+	418	=	1.179
4.	212	+	209	=	421
5.	488	+	347	=	835
6.	569	+	561	=	1.130
7.	453	+	316	=	769
8.	387	+	277	=	664
9.	813	+	622	=	1.435
10.	792	+	223	=	1.015

Oefening 2
1.	908	+	639	=	1.547
2.	719	+	398	=	1.117
3.	690	+	372	=	1.062
4.	939	+	445	=	1.384
5.	981	+	832	=	1.813
6.	683	+	587	=	1.270
7.	890	+	727	=	1.617
8.	797	+	646	=	1.443
9.	923	+	464	=	1.387
10.	730	+	567	=	1.297

Oefening 3
1.	907	+	856	=	1.763
2.	567	+	207	=	774
3.	539	+	205	=	744
4.	311	+	299	=	610
5.	962	+	736	=	1.698
6.	997	+	948	=	1.945
7.	597	+	373	=	970
8.	275	+	257	=	532
9.	378	+	200	=	578
10.	655	+	503	=	1.158

Oefening 4
1.	907	+	210	=	1.117
2.	677	+	584	=	1.261
3.	347	+	331	=	678
4.	708	+	211	=	919
5.	942	+	327	=	1.269
6.	987	+	300	=	1.287
7.	782	+	478	=	1.260
8.	685	+	529	=	1.214
9.	215	+	201	=	416
10.	999	+	941	=	1.940