Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	149	+		=	290
2.	261	+		=	417
3.	286	+		=	557
4.	387	+		=	759
5.	459	+		=	753
6.	406	+		=	542
7.	363	+		=	541
8.	238	+		=	353
9.	279	+		=	392
10.	410	+		=	636

Oefening 2
1.	247	+		=	386
2.	464	+		=	838
3.	382	+		=	484
4.	211	+		=	421
5.	293	+		=	498
6.	184	+		=	302
7.	323	+		=	598
8.	433	+		=	696
9.	439	+		=	578
10.	460	+		=	698

Oefening 3
1.	409	+		=	637
2.	363	+		=	656
3.	286	+		=	413
4.	471	+		=	885
5.	487	+		=	782
6.	258	+		=	483
7.	404	+		=	794
8.	396	+		=	752
9.	238	+		=	393
10.	409	+		=	732

Oefening 4
1.	298	+		=	470
2.	384	+		=	626
3.	390	+		=	570
4.	314	+		=	593
5.	237	+		=	397
6.	191	+		=	333
7.	222	+		=	416
8.	311	+		=	422
9.	353	+		=	638
10.	441	+		=	724

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	149	+	141	=	290
2.	261	+	156	=	417
3.	286	+	271	=	557
4.	387	+	372	=	759
5.	459	+	294	=	753
6.	406	+	136	=	542
7.	363	+	178	=	541
8.	238	+	115	=	353
9.	279	+	113	=	392
10.	410	+	226	=	636

Oefening 2
1.	247	+	139	=	386
2.	464	+	374	=	838
3.	382	+	102	=	484
4.	211	+	210	=	421
5.	293	+	205	=	498
6.	184	+	118	=	302
7.	323	+	275	=	598
8.	433	+	263	=	696
9.	439	+	139	=	578
10.	460	+	238	=	698

Oefening 3
1.	409	+	228	=	637
2.	363	+	293	=	656
3.	286	+	127	=	413
4.	471	+	414	=	885
5.	487	+	295	=	782
6.	258	+	225	=	483
7.	404	+	390	=	794
8.	396	+	356	=	752
9.	238	+	155	=	393
10.	409	+	323	=	732

Oefening 4
1.	298	+	172	=	470
2.	384	+	242	=	626
3.	390	+	180	=	570
4.	314	+	279	=	593
5.	237	+	160	=	397
6.	191	+	142	=	333
7.	222	+	194	=	416
8.	311	+	111	=	422
9.	353	+	285	=	638
10.	441	+	283	=	724