Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	424	+		=	837
2.	458	+		=	686
3.	452	+		=	674
4.	446	+		=	654
5.	389	+		=	517
6.	258	+		=	370
7.	194	+		=	363
8.	274	+		=	545
9.	367	+		=	533
10.	376	+		=	476

Oefening 2
1.	443	+		=	648
2.	267	+		=	441
3.	450	+		=	889
4.	429	+		=	811
5.	470	+		=	684
6.	333	+		=	437
7.	440	+		=	583
8.	431	+		=	772
9.	219	+		=	413
10.	445	+		=	799

Oefening 3
1.	475	+		=	801
2.	383	+		=	513
3.	456	+		=	859
4.	306	+		=	529
5.	327	+		=	587
6.	425	+		=	735
7.	401	+		=	637
8.	403	+		=	782
9.	381	+		=	721
10.	498	+		=	751

Oefening 4
1.	367	+		=	701
2.	418	+		=	829
3.	291	+		=	397
4.	443	+		=	561
5.	421	+		=	726
6.	442	+		=	692
7.	343	+		=	585
8.	407	+		=	715
9.	446	+		=	879
10.	227	+		=	327

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	424	+	413	=	837
2.	458	+	228	=	686
3.	452	+	222	=	674
4.	446	+	208	=	654
5.	389	+	128	=	517
6.	258	+	112	=	370
7.	194	+	169	=	363
8.	274	+	271	=	545
9.	367	+	166	=	533
10.	376	+	100	=	476

Oefening 2
1.	443	+	205	=	648
2.	267	+	174	=	441
3.	450	+	439	=	889
4.	429	+	382	=	811
5.	470	+	214	=	684
6.	333	+	104	=	437
7.	440	+	143	=	583
8.	431	+	341	=	772
9.	219	+	194	=	413
10.	445	+	354	=	799

Oefening 3
1.	475	+	326	=	801
2.	383	+	130	=	513
3.	456	+	403	=	859
4.	306	+	223	=	529
5.	327	+	260	=	587
6.	425	+	310	=	735
7.	401	+	236	=	637
8.	403	+	379	=	782
9.	381	+	340	=	721
10.	498	+	253	=	751

Oefening 4
1.	367	+	334	=	701
2.	418	+	411	=	829
3.	291	+	106	=	397
4.	443	+	118	=	561
5.	421	+	305	=	726
6.	442	+	250	=	692
7.	343	+	242	=	585
8.	407	+	308	=	715
9.	446	+	433	=	879
10.	227	+	100	=	327