Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	497	+		=	953
2.	736	+		=	990
3.	883	+		=	1.594
4.	825	+		=	1.245
5.	843	+		=	1.294
6.	872	+		=	1.719
7.	883	+		=	1.724
8.	979	+		=	1.677
9.	414	+		=	733
10.	968	+		=	1.289

Oefening 2
1.	301	+		=	515
2.	845	+		=	1.634
3.	976	+		=	1.303
4.	627	+		=	1.043
5.	994	+		=	1.894
6.	881	+		=	1.393
7.	960	+		=	1.723
8.	516	+		=	816
9.	890	+		=	1.560
10.	695	+		=	1.134

Oefening 3
1.	694	+		=	1.257
2.	968	+		=	1.353
3.	675	+		=	1.060
4.	671	+		=	997
5.	823	+		=	1.163
6.	711	+		=	1.384
7.	521	+		=	809
8.	641	+		=	1.016
9.	576	+		=	1.096
10.	344	+		=	649

Oefening 4
1.	711	+		=	915
2.	944	+		=	1.388
3.	828	+		=	1.398
4.	524	+		=	939
5.	752	+		=	1.437
6.	923	+		=	1.257
7.	670	+		=	1.106
8.	673	+		=	940
9.	620	+		=	1.147
10.	826	+		=	1.285

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	497	+	456	=	953
2.	736	+	254	=	990
3.	883	+	711	=	1.594
4.	825	+	420	=	1.245
5.	843	+	451	=	1.294
6.	872	+	847	=	1.719
7.	883	+	841	=	1.724
8.	979	+	698	=	1.677
9.	414	+	319	=	733
10.	968	+	321	=	1.289

Oefening 2
1.	301	+	214	=	515
2.	845	+	789	=	1.634
3.	976	+	327	=	1.303
4.	627	+	416	=	1.043
5.	994	+	900	=	1.894
6.	881	+	512	=	1.393
7.	960	+	763	=	1.723
8.	516	+	300	=	816
9.	890	+	670	=	1.560
10.	695	+	439	=	1.134

Oefening 3
1.	694	+	563	=	1.257
2.	968	+	385	=	1.353
3.	675	+	385	=	1.060
4.	671	+	326	=	997
5.	823	+	340	=	1.163
6.	711	+	673	=	1.384
7.	521	+	288	=	809
8.	641	+	375	=	1.016
9.	576	+	520	=	1.096
10.	344	+	305	=	649

Oefening 4
1.	711	+	204	=	915
2.	944	+	444	=	1.388
3.	828	+	570	=	1.398
4.	524	+	415	=	939
5.	752	+	685	=	1.437
6.	923	+	334	=	1.257
7.	670	+	436	=	1.106
8.	673	+	267	=	940
9.	620	+	527	=	1.147
10.	826	+	459	=	1.285