Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	402	+		=	531
2.	380	+		=	757
3.	411	+		=	630
4.	373	+		=	739
5.	490	+		=	832
6.	170	+		=	331
7.	382	+		=	490
8.	487	+		=	745
9.	481	+		=	594
10.	254	+		=	370

Oefening 2
1.	153	+		=	303
2.	466	+		=	573
3.	451	+		=	690
4.	164	+		=	290
5.	471	+		=	861
6.	330	+		=	533
7.	469	+		=	638
8.	229	+		=	409
9.	376	+		=	593
10.	474	+		=	768

Oefening 3
1.	384	+		=	741
2.	452	+		=	593
3.	192	+		=	310
4.	353	+		=	623
5.	389	+		=	623
6.	360	+		=	482
7.	495	+		=	638
8.	486	+		=	908
9.	455	+		=	668
10.	422	+		=	736

Oefening 4
1.	469	+		=	919
2.	189	+		=	319
3.	152	+		=	261
4.	375	+		=	542
5.	402	+		=	778
6.	402	+		=	784
7.	288	+		=	522
8.	253	+		=	419
9.	491	+		=	683
10.	417	+		=	748

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	402	+	129	=	531
2.	380	+	377	=	757
3.	411	+	219	=	630
4.	373	+	366	=	739
5.	490	+	342	=	832
6.	170	+	161	=	331
7.	382	+	108	=	490
8.	487	+	258	=	745
9.	481	+	113	=	594
10.	254	+	116	=	370

Oefening 2
1.	153	+	150	=	303
2.	466	+	107	=	573
3.	451	+	239	=	690
4.	164	+	126	=	290
5.	471	+	390	=	861
6.	330	+	203	=	533
7.	469	+	169	=	638
8.	229	+	180	=	409
9.	376	+	217	=	593
10.	474	+	294	=	768

Oefening 3
1.	384	+	357	=	741
2.	452	+	141	=	593
3.	192	+	118	=	310
4.	353	+	270	=	623
5.	389	+	234	=	623
6.	360	+	122	=	482
7.	495	+	143	=	638
8.	486	+	422	=	908
9.	455	+	213	=	668
10.	422	+	314	=	736

Oefening 4
1.	469	+	450	=	919
2.	189	+	130	=	319
3.	152	+	109	=	261
4.	375	+	167	=	542
5.	402	+	376	=	778
6.	402	+	382	=	784
7.	288	+	234	=	522
8.	253	+	166	=	419
9.	491	+	192	=	683
10.	417	+	331	=	748