Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	400	+		=	636
2.	349	+		=	567
3.	423	+		=	739
4.	498	+		=	689
5.	209	+		=	397
6.	357	+		=	660
7.	457	+		=	561
8.	489	+		=	978
9.	397	+		=	710
10.	382	+		=	714

Oefening 2
1.	457	+		=	728
2.	342	+		=	534
3.	449	+		=	627
4.	356	+		=	664
5.	439	+		=	579
6.	336	+		=	661
7.	340	+		=	495
8.	379	+		=	626
9.	369	+		=	602
10.	349	+		=	539

Oefening 3
1.	291	+		=	420
2.	417	+		=	554
3.	443	+		=	609
4.	298	+		=	494
5.	409	+		=	577
6.	473	+		=	684
7.	291	+		=	395
8.	222	+		=	339
9.	423	+		=	673
10.	194	+		=	305

Oefening 4
1.	222	+		=	391
2.	375	+		=	724
3.	445	+		=	683
4.	362	+		=	467
5.	397	+		=	640
6.	466	+		=	651
7.	478	+		=	639
8.	133	+		=	241
9.	360	+		=	493
10.	436	+		=	729

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	400	+	236	=	636
2.	349	+	218	=	567
3.	423	+	316	=	739
4.	498	+	191	=	689
5.	209	+	188	=	397
6.	357	+	303	=	660
7.	457	+	104	=	561
8.	489	+	489	=	978
9.	397	+	313	=	710
10.	382	+	332	=	714

Oefening 2
1.	457	+	271	=	728
2.	342	+	192	=	534
3.	449	+	178	=	627
4.	356	+	308	=	664
5.	439	+	140	=	579
6.	336	+	325	=	661
7.	340	+	155	=	495
8.	379	+	247	=	626
9.	369	+	233	=	602
10.	349	+	190	=	539

Oefening 3
1.	291	+	129	=	420
2.	417	+	137	=	554
3.	443	+	166	=	609
4.	298	+	196	=	494
5.	409	+	168	=	577
6.	473	+	211	=	684
7.	291	+	104	=	395
8.	222	+	117	=	339
9.	423	+	250	=	673
10.	194	+	111	=	305

Oefening 4
1.	222	+	169	=	391
2.	375	+	349	=	724
3.	445	+	238	=	683
4.	362	+	105	=	467
5.	397	+	243	=	640
6.	466	+	185	=	651
7.	478	+	161	=	639
8.	133	+	108	=	241
9.	360	+	133	=	493
10.	436	+	293	=	729