Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	474	+		=	826
2.	141	+		=	267
3.	208	+		=	367
4.	333	+		=	630
5.	477	+		=	774
6.	472	+		=	935
7.	141	+		=	246
8.	280	+		=	388
9.	316	+		=	529
10.	431	+		=	592

Oefening 2
1.	318	+		=	460
2.	341	+		=	519
3.	360	+		=	491
4.	360	+		=	502
5.	458	+		=	740
6.	459	+		=	843
7.	372	+		=	704
8.	397	+		=	565
9.	462	+		=	810
10.	223	+		=	342

Oefening 3
1.	262	+		=	511
2.	337	+		=	515
3.	437	+		=	613
4.	243	+		=	351
5.	470	+		=	806
6.	421	+		=	551
7.	456	+		=	860
8.	489	+		=	972
9.	426	+		=	631
10.	386	+		=	493

Oefening 4
1.	478	+		=	923
2.	439	+		=	802
3.	369	+		=	649
4.	381	+		=	668
5.	405	+		=	635
6.	428	+		=	787
7.	465	+		=	653
8.	318	+		=	508
9.	404	+		=	758
10.	422	+		=	675

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	474	+	352	=	826
2.	141	+	126	=	267
3.	208	+	159	=	367
4.	333	+	297	=	630
5.	477	+	297	=	774
6.	472	+	463	=	935
7.	141	+	105	=	246
8.	280	+	108	=	388
9.	316	+	213	=	529
10.	431	+	161	=	592

Oefening 2
1.	318	+	142	=	460
2.	341	+	178	=	519
3.	360	+	131	=	491
4.	360	+	142	=	502
5.	458	+	282	=	740
6.	459	+	384	=	843
7.	372	+	332	=	704
8.	397	+	168	=	565
9.	462	+	348	=	810
10.	223	+	119	=	342

Oefening 3
1.	262	+	249	=	511
2.	337	+	178	=	515
3.	437	+	176	=	613
4.	243	+	108	=	351
5.	470	+	336	=	806
6.	421	+	130	=	551
7.	456	+	404	=	860
8.	489	+	483	=	972
9.	426	+	205	=	631
10.	386	+	107	=	493

Oefening 4
1.	478	+	445	=	923
2.	439	+	363	=	802
3.	369	+	280	=	649
4.	381	+	287	=	668
5.	405	+	230	=	635
6.	428	+	359	=	787
7.	465	+	188	=	653
8.	318	+	190	=	508
9.	404	+	354	=	758
10.	422	+	253	=	675