Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	384	+		=	595
2.	598	+		=	1.098
3.	881	+		=	1.407
4.	888	+		=	1.370
5.	626	+		=	1.141
6.	853	+		=	1.475
7.	888	+		=	1.357
8.	459	+		=	842
9.	946	+		=	1.575
10.	677	+		=	1.242

Oefening 2
1.	580	+		=	952
2.	402	+		=	696
3.	882	+		=	1.217
4.	866	+		=	1.390
5.	861	+		=	1.620
6.	845	+		=	1.663
7.	587	+		=	1.066
8.	921	+		=	1.679
9.	534	+		=	990
10.	982	+		=	1.774

Oefening 3
1.	993	+		=	1.605
2.	717	+		=	995
3.	858	+		=	1.713
4.	782	+		=	1.211
5.	788	+		=	1.138
6.	911	+		=	1.761
7.	561	+		=	838
8.	813	+		=	1.418
9.	956	+		=	1.396
10.	533	+		=	838

Oefening 4
1.	992	+		=	1.280
2.	556	+		=	811
3.	683	+		=	1.001
4.	920	+		=	1.705
5.	859	+		=	1.427
6.	573	+		=	903
7.	870	+		=	1.739
8.	636	+		=	1.151
9.	723	+		=	1.399
10.	996	+		=	1.446

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	384	+	211	=	595
2.	598	+	500	=	1.098
3.	881	+	526	=	1.407
4.	888	+	482	=	1.370
5.	626	+	515	=	1.141
6.	853	+	622	=	1.475
7.	888	+	469	=	1.357
8.	459	+	383	=	842
9.	946	+	629	=	1.575
10.	677	+	565	=	1.242

Oefening 2
1.	580	+	372	=	952
2.	402	+	294	=	696
3.	882	+	335	=	1.217
4.	866	+	524	=	1.390
5.	861	+	759	=	1.620
6.	845	+	818	=	1.663
7.	587	+	479	=	1.066
8.	921	+	758	=	1.679
9.	534	+	456	=	990
10.	982	+	792	=	1.774

Oefening 3
1.	993	+	612	=	1.605
2.	717	+	278	=	995
3.	858	+	855	=	1.713
4.	782	+	429	=	1.211
5.	788	+	350	=	1.138
6.	911	+	850	=	1.761
7.	561	+	277	=	838
8.	813	+	605	=	1.418
9.	956	+	440	=	1.396
10.	533	+	305	=	838

Oefening 4
1.	992	+	288	=	1.280
2.	556	+	255	=	811
3.	683	+	318	=	1.001
4.	920	+	785	=	1.705
5.	859	+	568	=	1.427
6.	573	+	330	=	903
7.	870	+	869	=	1.739
8.	636	+	515	=	1.151
9.	723	+	676	=	1.399
10.	996	+	450	=	1.446