Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	810	+		=	1.522
2.	744	+		=	1.232
3.	473	+		=	814
4.	556	+		=	1.027
5.	413	+		=	824
6.	977	+		=	1.506
7.	773	+		=	1.048
8.	909	+		=	1.405
9.	991	+		=	1.702
10.	597	+		=	1.156

Oefening 2
1.	311	+		=	547
2.	843	+		=	1.309
3.	721	+		=	1.256
4.	746	+		=	1.010
5.	910	+		=	1.439
6.	873	+		=	1.177
7.	520	+		=	1.019
8.	912	+		=	1.717
9.	827	+		=	1.393
10.	905	+		=	1.222

Oefening 3
1.	840	+		=	1.203
2.	989	+		=	1.245
3.	977	+		=	1.700
4.	578	+		=	871
5.	719	+		=	1.390
6.	921	+		=	1.690
7.	791	+		=	1.057
8.	848	+		=	1.687
9.	690	+		=	1.298
10.	907	+		=	1.567

Oefening 4
1.	946	+		=	1.312
2.	936	+		=	1.693
3.	875	+		=	1.571
4.	645	+		=	1.194
5.	691	+		=	935
6.	910	+		=	1.382
7.	791	+		=	1.111
8.	870	+		=	1.099
9.	408	+		=	612
10.	758	+		=	1.033

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	810	+	712	=	1.522
2.	744	+	488	=	1.232
3.	473	+	341	=	814
4.	556	+	471	=	1.027
5.	413	+	411	=	824
6.	977	+	529	=	1.506
7.	773	+	275	=	1.048
8.	909	+	496	=	1.405
9.	991	+	711	=	1.702
10.	597	+	559	=	1.156

Oefening 2
1.	311	+	236	=	547
2.	843	+	466	=	1.309
3.	721	+	535	=	1.256
4.	746	+	264	=	1.010
5.	910	+	529	=	1.439
6.	873	+	304	=	1.177
7.	520	+	499	=	1.019
8.	912	+	805	=	1.717
9.	827	+	566	=	1.393
10.	905	+	317	=	1.222

Oefening 3
1.	840	+	363	=	1.203
2.	989	+	256	=	1.245
3.	977	+	723	=	1.700
4.	578	+	293	=	871
5.	719	+	671	=	1.390
6.	921	+	769	=	1.690
7.	791	+	266	=	1.057
8.	848	+	839	=	1.687
9.	690	+	608	=	1.298
10.	907	+	660	=	1.567

Oefening 4
1.	946	+	366	=	1.312
2.	936	+	757	=	1.693
3.	875	+	696	=	1.571
4.	645	+	549	=	1.194
5.	691	+	244	=	935
6.	910	+	472	=	1.382
7.	791	+	320	=	1.111
8.	870	+	229	=	1.099
9.	408	+	204	=	612
10.	758	+	275	=	1.033