Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	187	+		=	287
2.	487	+		=	920
3.	377	+		=	522
4.	422	+		=	814
5.	182	+		=	286
6.	237	+		=	385
7.	209	+		=	315
8.	350	+		=	486
9.	282	+		=	466
10.	297	+		=	447

Oefening 2
1.	439	+		=	590
2.	487	+		=	596
3.	352	+		=	553
4.	480	+		=	656
5.	363	+		=	650
6.	447	+		=	650
7.	325	+		=	438
8.	338	+		=	646
9.	379	+		=	614
10.	310	+		=	462

Oefening 3
1.	321	+		=	462
2.	388	+		=	685
3.	492	+		=	718
4.	436	+		=	733
5.	474	+		=	786
6.	459	+		=	851
7.	245	+		=	358
8.	411	+		=	743
9.	425	+		=	628
10.	466	+		=	822

Oefening 4
1.	276	+		=	400
2.	439	+		=	823
3.	480	+		=	644
4.	250	+		=	408
5.	414	+		=	736
6.	490	+		=	803
7.	441	+		=	718
8.	450	+		=	700
9.	321	+		=	495
10.	444	+		=	582

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	187	+	100	=	287
2.	487	+	433	=	920
3.	377	+	145	=	522
4.	422	+	392	=	814
5.	182	+	104	=	286
6.	237	+	148	=	385
7.	209	+	106	=	315
8.	350	+	136	=	486
9.	282	+	184	=	466
10.	297	+	150	=	447

Oefening 2
1.	439	+	151	=	590
2.	487	+	109	=	596
3.	352	+	201	=	553
4.	480	+	176	=	656
5.	363	+	287	=	650
6.	447	+	203	=	650
7.	325	+	113	=	438
8.	338	+	308	=	646
9.	379	+	235	=	614
10.	310	+	152	=	462

Oefening 3
1.	321	+	141	=	462
2.	388	+	297	=	685
3.	492	+	226	=	718
4.	436	+	297	=	733
5.	474	+	312	=	786
6.	459	+	392	=	851
7.	245	+	113	=	358
8.	411	+	332	=	743
9.	425	+	203	=	628
10.	466	+	356	=	822

Oefening 4
1.	276	+	124	=	400
2.	439	+	384	=	823
3.	480	+	164	=	644
4.	250	+	158	=	408
5.	414	+	322	=	736
6.	490	+	313	=	803
7.	441	+	277	=	718
8.	450	+	250	=	700
9.	321	+	174	=	495
10.	444	+	138	=	582