Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	890	+		=	1.306
2.	220	+		=	425
3.	628	+		=	1.209
4.	685	+		=	1.006
5.	804	+		=	1.318
6.	942	+		=	1.198
7.	575	+		=	883
8.	723	+		=	1.256
9.	819	+		=	1.477
10.	731	+		=	991

Oefening 2
1.	956	+		=	1.779
2.	860	+		=	1.677
3.	979	+		=	1.407
4.	415	+		=	685
5.	921	+		=	1.618
6.	572	+		=	1.087
7.	937	+		=	1.229
8.	653	+		=	1.285
9.	369	+		=	579
10.	990	+		=	1.567

Oefening 3
1.	958	+		=	1.861
2.	661	+		=	1.235
3.	992	+		=	1.572
4.	672	+		=	1.132
5.	703	+		=	1.164
6.	879	+		=	1.595
7.	618	+		=	1.036
8.	794	+		=	1.351
9.	811	+		=	1.339
10.	700	+		=	1.030

Oefening 4
1.	663	+		=	948
2.	854	+		=	1.470
3.	758	+		=	1.153
4.	800	+		=	1.399
5.	277	+		=	496
6.	917	+		=	1.557
7.	657	+		=	1.168
8.	971	+		=	1.257
9.	911	+		=	1.173
10.	965	+		=	1.277

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	890	+	416	=	1.306
2.	220	+	205	=	425
3.	628	+	581	=	1.209
4.	685	+	321	=	1.006
5.	804	+	514	=	1.318
6.	942	+	256	=	1.198
7.	575	+	308	=	883
8.	723	+	533	=	1.256
9.	819	+	658	=	1.477
10.	731	+	260	=	991

Oefening 2
1.	956	+	823	=	1.779
2.	860	+	817	=	1.677
3.	979	+	428	=	1.407
4.	415	+	270	=	685
5.	921	+	697	=	1.618
6.	572	+	515	=	1.087
7.	937	+	292	=	1.229
8.	653	+	632	=	1.285
9.	369	+	210	=	579
10.	990	+	577	=	1.567

Oefening 3
1.	958	+	903	=	1.861
2.	661	+	574	=	1.235
3.	992	+	580	=	1.572
4.	672	+	460	=	1.132
5.	703	+	461	=	1.164
6.	879	+	716	=	1.595
7.	618	+	418	=	1.036
8.	794	+	557	=	1.351
9.	811	+	528	=	1.339
10.	700	+	330	=	1.030

Oefening 4
1.	663	+	285	=	948
2.	854	+	616	=	1.470
3.	758	+	395	=	1.153
4.	800	+	599	=	1.399
5.	277	+	219	=	496
6.	917	+	640	=	1.557
7.	657	+	511	=	1.168
8.	971	+	286	=	1.257
9.	911	+	262	=	1.173
10.	965	+	312	=	1.277