Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	658	+		=	1.006
2.	722	+		=	998
3.	480	+		=	806
4.	616	+		=	840
5.	730	+		=	1.001
6.	572	+		=	886
7.	479	+		=	853
8.	660	+		=	1.317
9.	597	+		=	961
10.	379	+		=	598

Oefening 2
1.	869	+		=	1.723
2.	917	+		=	1.440
3.	690	+		=	1.133
4.	946	+		=	1.813
5.	586	+		=	962
6.	997	+		=	1.594
7.	561	+		=	1.039
8.	817	+		=	1.457
9.	982	+		=	1.570
10.	728	+		=	1.092

Oefening 3
1.	572	+		=	937
2.	944	+		=	1.840
3.	778	+		=	1.453
4.	704	+		=	1.175
5.	592	+		=	910
6.	998	+		=	1.688
7.	712	+		=	1.128
8.	367	+		=	619
9.	361	+		=	575
10.	889	+		=	1.723

Oefening 4
1.	777	+		=	1.217
2.	638	+		=	1.057
3.	926	+		=	1.243
4.	853	+		=	1.580
5.	633	+		=	876
6.	887	+		=	1.340
7.	979	+		=	1.689
8.	912	+		=	1.161
9.	949	+		=	1.288
10.	733	+		=	1.426

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	658	+	348	=	1.006
2.	722	+	276	=	998
3.	480	+	326	=	806
4.	616	+	224	=	840
5.	730	+	271	=	1.001
6.	572	+	314	=	886
7.	479	+	374	=	853
8.	660	+	657	=	1.317
9.	597	+	364	=	961
10.	379	+	219	=	598

Oefening 2
1.	869	+	854	=	1.723
2.	917	+	523	=	1.440
3.	690	+	443	=	1.133
4.	946	+	867	=	1.813
5.	586	+	376	=	962
6.	997	+	597	=	1.594
7.	561	+	478	=	1.039
8.	817	+	640	=	1.457
9.	982	+	588	=	1.570
10.	728	+	364	=	1.092

Oefening 3
1.	572	+	365	=	937
2.	944	+	896	=	1.840
3.	778	+	675	=	1.453
4.	704	+	471	=	1.175
5.	592	+	318	=	910
6.	998	+	690	=	1.688
7.	712	+	416	=	1.128
8.	367	+	252	=	619
9.	361	+	214	=	575
10.	889	+	834	=	1.723

Oefening 4
1.	777	+	440	=	1.217
2.	638	+	419	=	1.057
3.	926	+	317	=	1.243
4.	853	+	727	=	1.580
5.	633	+	243	=	876
6.	887	+	453	=	1.340
7.	979	+	710	=	1.689
8.	912	+	249	=	1.161
9.	949	+	339	=	1.288
10.	733	+	693	=	1.426