Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	847	+		=	1.637
2.	680	+		=	944
3.	902	+		=	1.174
4.	800	+		=	1.142
5.	704	+		=	1.029
6.	498	+		=	907
7.	582	+		=	853
8.	981	+		=	1.551
9.	859	+		=	1.501
10.	616	+		=	1.195

Oefening 2
1.	840	+		=	1.347
2.	632	+		=	908
3.	714	+		=	1.356
4.	277	+		=	554
5.	501	+		=	893
6.	718	+		=	1.121
7.	965	+		=	1.723
8.	384	+		=	684
9.	640	+		=	1.007
10.	391	+		=	726

Oefening 3
1.	208	+		=	415
2.	928	+		=	1.581
3.	671	+		=	1.233
4.	813	+		=	1.456
5.	867	+		=	1.580
6.	392	+		=	700
7.	637	+		=	1.014
8.	378	+		=	626
9.	689	+		=	1.026
10.	683	+		=	1.196

Oefening 4
1.	872	+		=	1.117
2.	434	+		=	652
3.	748	+		=	1.394
4.	751	+		=	1.172
5.	784	+		=	1.458
6.	901	+		=	1.227
7.	447	+		=	879
8.	352	+		=	609
9.	994	+		=	1.543
10.	809	+		=	1.126

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	847	+	790	=	1.637
2.	680	+	264	=	944
3.	902	+	272	=	1.174
4.	800	+	342	=	1.142
5.	704	+	325	=	1.029
6.	498	+	409	=	907
7.	582	+	271	=	853
8.	981	+	570	=	1.551
9.	859	+	642	=	1.501
10.	616	+	579	=	1.195

Oefening 2
1.	840	+	507	=	1.347
2.	632	+	276	=	908
3.	714	+	642	=	1.356
4.	277	+	277	=	554
5.	501	+	392	=	893
6.	718	+	403	=	1.121
7.	965	+	758	=	1.723
8.	384	+	300	=	684
9.	640	+	367	=	1.007
10.	391	+	335	=	726

Oefening 3
1.	208	+	207	=	415
2.	928	+	653	=	1.581
3.	671	+	562	=	1.233
4.	813	+	643	=	1.456
5.	867	+	713	=	1.580
6.	392	+	308	=	700
7.	637	+	377	=	1.014
8.	378	+	248	=	626
9.	689	+	337	=	1.026
10.	683	+	513	=	1.196

Oefening 4
1.	872	+	245	=	1.117
2.	434	+	218	=	652
3.	748	+	646	=	1.394
4.	751	+	421	=	1.172
5.	784	+	674	=	1.458
6.	901	+	326	=	1.227
7.	447	+	432	=	879
8.	352	+	257	=	609
9.	994	+	549	=	1.543
10.	809	+	317	=	1.126