Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	320	+		=	531
2.	191	+		=	351
3.	275	+		=	535
4.	463	+		=	626
5.	463	+		=	730
6.	369	+		=	576
7.	434	+		=	634
8.	193	+		=	299
9.	179	+		=	330
10.	187	+		=	367

Oefening 2
1.	300	+		=	531
2.	490	+		=	855
3.	434	+		=	832
4.	293	+		=	491
5.	331	+		=	472
6.	435	+		=	838
7.	439	+		=	615
8.	160	+		=	283
9.	420	+		=	611
10.	439	+		=	583

Oefening 3
1.	455	+		=	747
2.	256	+		=	416
3.	300	+		=	503
4.	363	+		=	505
5.	390	+		=	716
6.	442	+		=	678
7.	391	+		=	599
8.	490	+		=	618
9.	494	+		=	706
10.	442	+		=	773

Oefening 4
1.	400	+		=	679
2.	410	+		=	681
3.	192	+		=	371
4.	335	+		=	450
5.	412	+		=	619
6.	340	+		=	441
7.	411	+		=	565
8.	333	+		=	663
9.	254	+		=	468
10.	231	+		=	331

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	320	+	211	=	531
2.	191	+	160	=	351
3.	275	+	260	=	535
4.	463	+	163	=	626
5.	463	+	267	=	730
6.	369	+	207	=	576
7.	434	+	200	=	634
8.	193	+	106	=	299
9.	179	+	151	=	330
10.	187	+	180	=	367

Oefening 2
1.	300	+	231	=	531
2.	490	+	365	=	855
3.	434	+	398	=	832
4.	293	+	198	=	491
5.	331	+	141	=	472
6.	435	+	403	=	838
7.	439	+	176	=	615
8.	160	+	123	=	283
9.	420	+	191	=	611
10.	439	+	144	=	583

Oefening 3
1.	455	+	292	=	747
2.	256	+	160	=	416
3.	300	+	203	=	503
4.	363	+	142	=	505
5.	390	+	326	=	716
6.	442	+	236	=	678
7.	391	+	208	=	599
8.	490	+	128	=	618
9.	494	+	212	=	706
10.	442	+	331	=	773

Oefening 4
1.	400	+	279	=	679
2.	410	+	271	=	681
3.	192	+	179	=	371
4.	335	+	115	=	450
5.	412	+	207	=	619
6.	340	+	101	=	441
7.	411	+	154	=	565
8.	333	+	330	=	663
9.	254	+	214	=	468
10.	231	+	100	=	331