Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	720	+		=	1.025
2.	967	+		=	1.704
3.	243	+		=	444
4.	584	+		=	1.165
5.	352	+		=	552
6.	457	+		=	862
7.	422	+		=	740
8.	497	+		=	759
9.	766	+		=	1.274
10.	858	+		=	1.248

Oefening 2
1.	416	+		=	748
2.	910	+		=	1.298
3.	909	+		=	1.345
4.	953	+		=	1.267
5.	864	+		=	1.285
6.	758	+		=	1.505
7.	317	+		=	570
8.	997	+		=	1.246
9.	789	+		=	1.184
10.	865	+		=	1.247

Oefening 3
1.	912	+		=	1.303
2.	412	+		=	715
3.	733	+		=	1.100
4.	835	+		=	1.333
5.	920	+		=	1.400
6.	547	+		=	956
7.	861	+		=	1.681
8.	542	+		=	1.047
9.	553	+		=	999
10.	419	+		=	745

Oefening 4
1.	611	+		=	1.069
2.	479	+		=	712
3.	692	+		=	1.252
4.	605	+		=	982
5.	587	+		=	904
6.	839	+		=	1.344
7.	990	+		=	1.284
8.	741	+		=	1.296
9.	651	+		=	1.013
10.	798	+		=	1.048

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	720	+	305	=	1.025
2.	967	+	737	=	1.704
3.	243	+	201	=	444
4.	584	+	581	=	1.165
5.	352	+	200	=	552
6.	457	+	405	=	862
7.	422	+	318	=	740
8.	497	+	262	=	759
9.	766	+	508	=	1.274
10.	858	+	390	=	1.248

Oefening 2
1.	416	+	332	=	748
2.	910	+	388	=	1.298
3.	909	+	436	=	1.345
4.	953	+	314	=	1.267
5.	864	+	421	=	1.285
6.	758	+	747	=	1.505
7.	317	+	253	=	570
8.	997	+	249	=	1.246
9.	789	+	395	=	1.184
10.	865	+	382	=	1.247

Oefening 3
1.	912	+	391	=	1.303
2.	412	+	303	=	715
3.	733	+	367	=	1.100
4.	835	+	498	=	1.333
5.	920	+	480	=	1.400
6.	547	+	409	=	956
7.	861	+	820	=	1.681
8.	542	+	505	=	1.047
9.	553	+	446	=	999
10.	419	+	326	=	745

Oefening 4
1.	611	+	458	=	1.069
2.	479	+	233	=	712
3.	692	+	560	=	1.252
4.	605	+	377	=	982
5.	587	+	317	=	904
6.	839	+	505	=	1.344
7.	990	+	294	=	1.284
8.	741	+	555	=	1.296
9.	651	+	362	=	1.013
10.	798	+	250	=	1.048