Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	334	+		=	628
2.	304	+		=	428
3.	414	+		=	547
4.	143	+		=	251
5.	208	+		=	400
6.	366	+		=	721
7.	465	+		=	583
8.	208	+		=	401
9.	352	+		=	573
10.	281	+		=	437

Oefening 2
1.	286	+		=	520
2.	431	+		=	587
3.	469	+		=	751
4.	358	+		=	654
5.	400	+		=	645
6.	257	+		=	391
7.	455	+		=	569
8.	343	+		=	588
9.	415	+		=	748
10.	492	+		=	754

Oefening 3
1.	389	+		=	654
2.	374	+		=	642
3.	379	+		=	749
4.	480	+		=	742
5.	450	+		=	642
6.	352	+		=	648
7.	379	+		=	679
8.	243	+		=	444
9.	423	+		=	627
10.	377	+		=	501

Oefening 4
1.	329	+		=	438
2.	482	+		=	900
3.	434	+		=	804
4.	334	+		=	626
5.	472	+		=	625
6.	307	+		=	591
7.	325	+		=	527
8.	363	+		=	491
9.	415	+		=	575
10.	286	+		=	389

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	334	+	294	=	628
2.	304	+	124	=	428
3.	414	+	133	=	547
4.	143	+	108	=	251
5.	208	+	192	=	400
6.	366	+	355	=	721
7.	465	+	118	=	583
8.	208	+	193	=	401
9.	352	+	221	=	573
10.	281	+	156	=	437

Oefening 2
1.	286	+	234	=	520
2.	431	+	156	=	587
3.	469	+	282	=	751
4.	358	+	296	=	654
5.	400	+	245	=	645
6.	257	+	134	=	391
7.	455	+	114	=	569
8.	343	+	245	=	588
9.	415	+	333	=	748
10.	492	+	262	=	754

Oefening 3
1.	389	+	265	=	654
2.	374	+	268	=	642
3.	379	+	370	=	749
4.	480	+	262	=	742
5.	450	+	192	=	642
6.	352	+	296	=	648
7.	379	+	300	=	679
8.	243	+	201	=	444
9.	423	+	204	=	627
10.	377	+	124	=	501

Oefening 4
1.	329	+	109	=	438
2.	482	+	418	=	900
3.	434	+	370	=	804
4.	334	+	292	=	626
5.	472	+	153	=	625
6.	307	+	284	=	591
7.	325	+	202	=	527
8.	363	+	128	=	491
9.	415	+	160	=	575
10.	286	+	103	=	389