Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	363	+		=	484
2.	285	+		=	465
3.	370	+		=	678
4.	477	+		=	883
5.	269	+		=	421
6.	384	+		=	588
7.	355	+		=	709
8.	314	+		=	447
9.	348	+		=	595
10.	482	+		=	796

Oefening 2
1.	290	+		=	567
2.	445	+		=	585
3.	462	+		=	612
4.	290	+		=	515
5.	443	+		=	561
6.	474	+		=	682
7.	478	+		=	656
8.	218	+		=	428
9.	408	+		=	781
10.	476	+		=	949

Oefening 3
1.	162	+		=	307
2.	459	+		=	739
3.	478	+		=	730
4.	186	+		=	307
5.	318	+		=	429
6.	491	+		=	784
7.	396	+		=	512
8.	446	+		=	709
9.	396	+		=	580
10.	351	+		=	478

Oefening 4
1.	256	+		=	366
2.	276	+		=	446
3.	399	+		=	684
4.	462	+		=	772
5.	353	+		=	651
6.	423	+		=	575
7.	498	+		=	740
8.	474	+		=	748
9.	320	+		=	508
10.	470	+		=	840

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	363	+	121	=	484
2.	285	+	180	=	465
3.	370	+	308	=	678
4.	477	+	406	=	883
5.	269	+	152	=	421
6.	384	+	204	=	588
7.	355	+	354	=	709
8.	314	+	133	=	447
9.	348	+	247	=	595
10.	482	+	314	=	796

Oefening 2
1.	290	+	277	=	567
2.	445	+	140	=	585
3.	462	+	150	=	612
4.	290	+	225	=	515
5.	443	+	118	=	561
6.	474	+	208	=	682
7.	478	+	178	=	656
8.	218	+	210	=	428
9.	408	+	373	=	781
10.	476	+	473	=	949

Oefening 3
1.	162	+	145	=	307
2.	459	+	280	=	739
3.	478	+	252	=	730
4.	186	+	121	=	307
5.	318	+	111	=	429
6.	491	+	293	=	784
7.	396	+	116	=	512
8.	446	+	263	=	709
9.	396	+	184	=	580
10.	351	+	127	=	478

Oefening 4
1.	256	+	110	=	366
2.	276	+	170	=	446
3.	399	+	285	=	684
4.	462	+	310	=	772
5.	353	+	298	=	651
6.	423	+	152	=	575
7.	498	+	242	=	740
8.	474	+	274	=	748
9.	320	+	188	=	508
10.	470	+	370	=	840