Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	406	+		=	745
2.	402	+		=	694
3.	371	+		=	593
4.	398	+		=	615
5.	378	+		=	551
6.	468	+		=	698
7.	444	+		=	773
8.	324	+		=	519
9.	439	+		=	686
10.	466	+		=	644

Oefening 2
1.	302	+		=	507
2.	337	+		=	544
3.	326	+		=	609
4.	413	+		=	600
5.	400	+		=	567
6.	395	+		=	694
7.	379	+		=	491
8.	152	+		=	256
9.	222	+		=	389
10.	466	+		=	899

Oefening 3
1.	443	+		=	547
2.	275	+		=	470
3.	412	+		=	729
4.	399	+		=	784
5.	436	+		=	848
6.	335	+		=	653
7.	277	+		=	413
8.	418	+		=	748
9.	470	+		=	828
10.	288	+		=	510

Oefening 4
1.	424	+		=	653
2.	453	+		=	695
3.	469	+		=	647
4.	413	+		=	807
5.	404	+		=	717
6.	322	+		=	518
7.	419	+		=	641
8.	300	+		=	562
9.	275	+		=	416
10.	227	+		=	392

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	406	+	339	=	745
2.	402	+	292	=	694
3.	371	+	222	=	593
4.	398	+	217	=	615
5.	378	+	173	=	551
6.	468	+	230	=	698
7.	444	+	329	=	773
8.	324	+	195	=	519
9.	439	+	247	=	686
10.	466	+	178	=	644

Oefening 2
1.	302	+	205	=	507
2.	337	+	207	=	544
3.	326	+	283	=	609
4.	413	+	187	=	600
5.	400	+	167	=	567
6.	395	+	299	=	694
7.	379	+	112	=	491
8.	152	+	104	=	256
9.	222	+	167	=	389
10.	466	+	433	=	899

Oefening 3
1.	443	+	104	=	547
2.	275	+	195	=	470
3.	412	+	317	=	729
4.	399	+	385	=	784
5.	436	+	412	=	848
6.	335	+	318	=	653
7.	277	+	136	=	413
8.	418	+	330	=	748
9.	470	+	358	=	828
10.	288	+	222	=	510

Oefening 4
1.	424	+	229	=	653
2.	453	+	242	=	695
3.	469	+	178	=	647
4.	413	+	394	=	807
5.	404	+	313	=	717
6.	322	+	196	=	518
7.	419	+	222	=	641
8.	300	+	262	=	562
9.	275	+	141	=	416
10.	227	+	165	=	392