Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	488	+		=	963
2.	911	+		=	1.173
3.	618	+		=	992
4.	860	+		=	1.482
5.	635	+		=	1.016
6.	743	+		=	1.228
7.	826	+		=	1.286
8.	698	+		=	1.071
9.	921	+		=	1.412
10.	905	+		=	1.703

Oefening 2
1.	408	+		=	761
2.	599	+		=	828
3.	422	+		=	701
4.	770	+		=	1.371
5.	343	+		=	684
6.	807	+		=	1.301
7.	518	+		=	978
8.	718	+		=	1.084
9.	658	+		=	945
10.	993	+		=	1.385

Oefening 3
1.	537	+		=	1.048
2.	883	+		=	1.401
3.	623	+		=	882
4.	972	+		=	1.621
5.	984	+		=	1.695
6.	928	+		=	1.768
7.	992	+		=	1.228
8.	708	+		=	1.159
9.	625	+		=	920
10.	807	+		=	1.036

Oefening 4
1.	982	+		=	1.248
2.	548	+		=	1.021
3.	635	+		=	908
4.	905	+		=	1.268
5.	844	+		=	1.490
6.	947	+		=	1.621
7.	749	+		=	1.285
8.	719	+		=	1.045
9.	808	+		=	1.149
10.	807	+		=	1.088

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	488	+	475	=	963
2.	911	+	262	=	1.173
3.	618	+	374	=	992
4.	860	+	622	=	1.482
5.	635	+	381	=	1.016
6.	743	+	485	=	1.228
7.	826	+	460	=	1.286
8.	698	+	373	=	1.071
9.	921	+	491	=	1.412
10.	905	+	798	=	1.703

Oefening 2
1.	408	+	353	=	761
2.	599	+	229	=	828
3.	422	+	279	=	701
4.	770	+	601	=	1.371
5.	343	+	341	=	684
6.	807	+	494	=	1.301
7.	518	+	460	=	978
8.	718	+	366	=	1.084
9.	658	+	287	=	945
10.	993	+	392	=	1.385

Oefening 3
1.	537	+	511	=	1.048
2.	883	+	518	=	1.401
3.	623	+	259	=	882
4.	972	+	649	=	1.621
5.	984	+	711	=	1.695
6.	928	+	840	=	1.768
7.	992	+	236	=	1.228
8.	708	+	451	=	1.159
9.	625	+	295	=	920
10.	807	+	229	=	1.036

Oefening 4
1.	982	+	266	=	1.248
2.	548	+	473	=	1.021
3.	635	+	273	=	908
4.	905	+	363	=	1.268
5.	844	+	646	=	1.490
6.	947	+	674	=	1.621
7.	749	+	536	=	1.285
8.	719	+	326	=	1.045
9.	808	+	341	=	1.149
10.	807	+	281	=	1.088