Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	809	+		=	1.278
2.	787	+		=	1.417
3.	374	+		=	652
4.	551	+		=	1.056
5.	893	+		=	1.259
6.	600	+		=	834
7.	865	+		=	1.227
8.	528	+		=	791
9.	787	+		=	1.172
10.	718	+		=	1.058

Oefening 2
1.	978	+		=	1.698
2.	809	+		=	1.542
3.	673	+		=	976
4.	797	+		=	1.514
5.	445	+		=	837
6.	897	+		=	1.643
7.	882	+		=	1.439
8.	997	+		=	1.458
9.	875	+		=	1.347
10.	432	+		=	750

Oefening 3
1.	412	+		=	654
2.	390	+		=	670
3.	953	+		=	1.238
4.	899	+		=	1.413
5.	807	+		=	1.511
6.	879	+		=	1.630
7.	997	+		=	1.513
8.	831	+		=	1.060
9.	654	+		=	1.110
10.	673	+		=	1.252

Oefening 4
1.	870	+		=	1.216
2.	627	+		=	961
3.	977	+		=	1.813
4.	580	+		=	1.070
5.	991	+		=	1.742
6.	980	+		=	1.200
7.	966	+		=	1.695
8.	716	+		=	1.228
9.	466	+		=	908
10.	948	+		=	1.768

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	809	+	469	=	1.278
2.	787	+	630	=	1.417
3.	374	+	278	=	652
4.	551	+	505	=	1.056
5.	893	+	366	=	1.259
6.	600	+	234	=	834
7.	865	+	362	=	1.227
8.	528	+	263	=	791
9.	787	+	385	=	1.172
10.	718	+	340	=	1.058

Oefening 2
1.	978	+	720	=	1.698
2.	809	+	733	=	1.542
3.	673	+	303	=	976
4.	797	+	717	=	1.514
5.	445	+	392	=	837
6.	897	+	746	=	1.643
7.	882	+	557	=	1.439
8.	997	+	461	=	1.458
9.	875	+	472	=	1.347
10.	432	+	318	=	750

Oefening 3
1.	412	+	242	=	654
2.	390	+	280	=	670
3.	953	+	285	=	1.238
4.	899	+	514	=	1.413
5.	807	+	704	=	1.511
6.	879	+	751	=	1.630
7.	997	+	516	=	1.513
8.	831	+	229	=	1.060
9.	654	+	456	=	1.110
10.	673	+	579	=	1.252

Oefening 4
1.	870	+	346	=	1.216
2.	627	+	334	=	961
3.	977	+	836	=	1.813
4.	580	+	490	=	1.070
5.	991	+	751	=	1.742
6.	980	+	220	=	1.200
7.	966	+	729	=	1.695
8.	716	+	512	=	1.228
9.	466	+	442	=	908
10.	948	+	820	=	1.768