Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	855	+		=	1.468
2.	959	+		=	1.273
3.	747	+		=	1.326
4.	834	+		=	1.119
5.	480	+		=	865
6.	603	+		=	1.093
7.	949	+		=	1.816
8.	343	+		=	591
9.	953	+		=	1.505
10.	604	+		=	1.061

Oefening 2
1.	914	+		=	1.227
2.	275	+		=	531
3.	520	+		=	761
4.	681	+		=	1.265
5.	804	+		=	1.321
6.	518	+		=	825
7.	998	+		=	1.855
8.	430	+		=	790
9.	749	+		=	1.484
10.	826	+		=	1.373

Oefening 3
1.	978	+		=	1.805
2.	733	+		=	1.278
3.	586	+		=	836
4.	693	+		=	1.040
5.	558	+		=	954
6.	699	+		=	969
7.	994	+		=	1.533
8.	706	+		=	1.211
9.	517	+		=	900
10.	596	+		=	1.132

Oefening 4
1.	931	+		=	1.812
2.	908	+		=	1.661
3.	460	+		=	884
4.	499	+		=	892
5.	503	+		=	855
6.	921	+		=	1.469
7.	313	+		=	624
8.	680	+		=	1.261
9.	892	+		=	1.397
10.	857	+		=	1.705

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	855	+	613	=	1.468
2.	959	+	314	=	1.273
3.	747	+	579	=	1.326
4.	834	+	285	=	1.119
5.	480	+	385	=	865
6.	603	+	490	=	1.093
7.	949	+	867	=	1.816
8.	343	+	248	=	591
9.	953	+	552	=	1.505
10.	604	+	457	=	1.061

Oefening 2
1.	914	+	313	=	1.227
2.	275	+	256	=	531
3.	520	+	241	=	761
4.	681	+	584	=	1.265
5.	804	+	517	=	1.321
6.	518	+	307	=	825
7.	998	+	857	=	1.855
8.	430	+	360	=	790
9.	749	+	735	=	1.484
10.	826	+	547	=	1.373

Oefening 3
1.	978	+	827	=	1.805
2.	733	+	545	=	1.278
3.	586	+	250	=	836
4.	693	+	347	=	1.040
5.	558	+	396	=	954
6.	699	+	270	=	969
7.	994	+	539	=	1.533
8.	706	+	505	=	1.211
9.	517	+	383	=	900
10.	596	+	536	=	1.132

Oefening 4
1.	931	+	881	=	1.812
2.	908	+	753	=	1.661
3.	460	+	424	=	884
4.	499	+	393	=	892
5.	503	+	352	=	855
6.	921	+	548	=	1.469
7.	313	+	311	=	624
8.	680	+	581	=	1.261
9.	892	+	505	=	1.397
10.	857	+	848	=	1.705