Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	274	+		=	455
2.	402	+		=	547
3.	468	+		=	869
4.	438	+		=	717
5.	329	+		=	612
6.	380	+		=	744
7.	466	+		=	791
8.	457	+		=	748
9.	358	+		=	603
10.	379	+		=	743

Oefening 2
1.	345	+		=	642
2.	298	+		=	549
3.	467	+		=	631
4.	229	+		=	405
5.	206	+		=	380
6.	372	+		=	498
7.	347	+		=	574
8.	329	+		=	634
9.	493	+		=	799
10.	280	+		=	516

Oefening 3
1.	340	+		=	546
2.	423	+		=	718
3.	326	+		=	452
4.	470	+		=	773
5.	399	+		=	692
6.	364	+		=	664
7.	454	+		=	792
8.	480	+		=	910
9.	495	+		=	869
10.	487	+		=	724

Oefening 4
1.	384	+		=	611
2.	410	+		=	817
3.	454	+		=	820
4.	362	+		=	483
5.	448	+		=	845
6.	436	+		=	755
7.	481	+		=	702
8.	373	+		=	707
9.	475	+		=	931
10.	458	+		=	803

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	274	+	181	=	455
2.	402	+	145	=	547
3.	468	+	401	=	869
4.	438	+	279	=	717
5.	329	+	283	=	612
6.	380	+	364	=	744
7.	466	+	325	=	791
8.	457	+	291	=	748
9.	358	+	245	=	603
10.	379	+	364	=	743

Oefening 2
1.	345	+	297	=	642
2.	298	+	251	=	549
3.	467	+	164	=	631
4.	229	+	176	=	405
5.	206	+	174	=	380
6.	372	+	126	=	498
7.	347	+	227	=	574
8.	329	+	305	=	634
9.	493	+	306	=	799
10.	280	+	236	=	516

Oefening 3
1.	340	+	206	=	546
2.	423	+	295	=	718
3.	326	+	126	=	452
4.	470	+	303	=	773
5.	399	+	293	=	692
6.	364	+	300	=	664
7.	454	+	338	=	792
8.	480	+	430	=	910
9.	495	+	374	=	869
10.	487	+	237	=	724

Oefening 4
1.	384	+	227	=	611
2.	410	+	407	=	817
3.	454	+	366	=	820
4.	362	+	121	=	483
5.	448	+	397	=	845
6.	436	+	319	=	755
7.	481	+	221	=	702
8.	373	+	334	=	707
9.	475	+	456	=	931
10.	458	+	345	=	803