Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	901	+		=	1.472
2.	920	+		=	1.766
3.	463	+		=	733
4.	691	+		=	898
5.	814	+		=	1.464
6.	358	+		=	692
7.	996	+		=	1.723
8.	475	+		=	759
9.	335	+		=	544
10.	822	+		=	1.168

Oefening 2
1.	691	+		=	1.320
2.	569	+		=	902
3.	299	+		=	526
4.	544	+		=	792
5.	881	+		=	1.470
6.	964	+		=	1.665
7.	839	+		=	1.220
8.	909	+		=	1.782
9.	423	+		=	653
10.	915	+		=	1.192

Oefening 3
1.	291	+		=	492
2.	717	+		=	1.301
3.	863	+		=	1.161
4.	443	+		=	846
5.	904	+		=	1.777
6.	994	+		=	1.570
7.	546	+		=	820
8.	981	+		=	1.663
9.	588	+		=	832
10.	768	+		=	1.111

Oefening 4
1.	975	+		=	1.612
2.	500	+		=	811
3.	953	+		=	1.519
4.	634	+		=	1.037
5.	708	+		=	927
6.	789	+		=	1.538
7.	810	+		=	1.040
8.	997	+		=	1.661
9.	626	+		=	896
10.	641	+		=	1.245

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	901	+	571	=	1.472
2.	920	+	846	=	1.766
3.	463	+	270	=	733
4.	691	+	207	=	898
5.	814	+	650	=	1.464
6.	358	+	334	=	692
7.	996	+	727	=	1.723
8.	475	+	284	=	759
9.	335	+	209	=	544
10.	822	+	346	=	1.168

Oefening 2
1.	691	+	629	=	1.320
2.	569	+	333	=	902
3.	299	+	227	=	526
4.	544	+	248	=	792
5.	881	+	589	=	1.470
6.	964	+	701	=	1.665
7.	839	+	381	=	1.220
8.	909	+	873	=	1.782
9.	423	+	230	=	653
10.	915	+	277	=	1.192

Oefening 3
1.	291	+	201	=	492
2.	717	+	584	=	1.301
3.	863	+	298	=	1.161
4.	443	+	403	=	846
5.	904	+	873	=	1.777
6.	994	+	576	=	1.570
7.	546	+	274	=	820
8.	981	+	682	=	1.663
9.	588	+	244	=	832
10.	768	+	343	=	1.111

Oefening 4
1.	975	+	637	=	1.612
2.	500	+	311	=	811
3.	953	+	566	=	1.519
4.	634	+	403	=	1.037
5.	708	+	219	=	927
6.	789	+	749	=	1.538
7.	810	+	230	=	1.040
8.	997	+	664	=	1.661
9.	626	+	270	=	896
10.	641	+	604	=	1.245