Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	412	+		=	637
2.	328	+		=	432
3.	276	+		=	501
4.	480	+		=	660
5.	470	+		=	573
6.	326	+		=	568
7.	457	+		=	672
8.	179	+		=	334
9.	226	+		=	451
10.	345	+		=	498

Oefening 2
1.	297	+		=	469
2.	318	+		=	571
3.	357	+		=	462
4.	338	+		=	502
5.	447	+		=	766
6.	313	+		=	582
7.	361	+		=	687
8.	441	+		=	699
9.	486	+		=	858
10.	350	+		=	564

Oefening 3
1.	363	+		=	678
2.	236	+		=	383
3.	470	+		=	598
4.	365	+		=	597
5.	222	+		=	353
6.	349	+		=	516
7.	461	+		=	688
8.	425	+		=	783
9.	468	+		=	804
10.	390	+		=	492

Oefening 4
1.	487	+		=	914
2.	391	+		=	607
3.	299	+		=	568
4.	406	+		=	700
5.	425	+		=	595
6.	277	+		=	390
7.	367	+		=	559
8.	455	+		=	619
9.	217	+		=	366
10.	420	+		=	568

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	412	+	225	=	637
2.	328	+	104	=	432
3.	276	+	225	=	501
4.	480	+	180	=	660
5.	470	+	103	=	573
6.	326	+	242	=	568
7.	457	+	215	=	672
8.	179	+	155	=	334
9.	226	+	225	=	451
10.	345	+	153	=	498

Oefening 2
1.	297	+	172	=	469
2.	318	+	253	=	571
3.	357	+	105	=	462
4.	338	+	164	=	502
5.	447	+	319	=	766
6.	313	+	269	=	582
7.	361	+	326	=	687
8.	441	+	258	=	699
9.	486	+	372	=	858
10.	350	+	214	=	564

Oefening 3
1.	363	+	315	=	678
2.	236	+	147	=	383
3.	470	+	128	=	598
4.	365	+	232	=	597
5.	222	+	131	=	353
6.	349	+	167	=	516
7.	461	+	227	=	688
8.	425	+	358	=	783
9.	468	+	336	=	804
10.	390	+	102	=	492

Oefening 4
1.	487	+	427	=	914
2.	391	+	216	=	607
3.	299	+	269	=	568
4.	406	+	294	=	700
5.	425	+	170	=	595
6.	277	+	113	=	390
7.	367	+	192	=	559
8.	455	+	164	=	619
9.	217	+	149	=	366
10.	420	+	148	=	568