Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	485	+		=	954
2.	254	+		=	423
3.	492	+		=	925
4.	329	+		=	488
5.	432	+		=	815
6.	347	+		=	507
7.	492	+		=	909
8.	457	+		=	672
9.	230	+		=	372
10.	337	+		=	503

Oefening 2
1.	317	+		=	425
2.	422	+		=	741
3.	304	+		=	588
4.	414	+		=	744
5.	457	+		=	849
6.	451	+		=	659
7.	450	+		=	829
8.	362	+		=	575
9.	384	+		=	586
10.	393	+		=	516

Oefening 3
1.	394	+		=	545
2.	417	+		=	620
3.	273	+		=	424
4.	325	+		=	644
5.	389	+		=	583
6.	465	+		=	904
7.	436	+		=	692
8.	169	+		=	331
9.	374	+		=	712
10.	342	+		=	595

Oefening 4
1.	441	+		=	674
2.	392	+		=	644
3.	307	+		=	444
4.	442	+		=	822
5.	390	+		=	767
6.	347	+		=	573
7.	483	+		=	670
8.	451	+		=	575
9.	462	+		=	868
10.	204	+		=	308

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	485	+	469	=	954
2.	254	+	169	=	423
3.	492	+	433	=	925
4.	329	+	159	=	488
5.	432	+	383	=	815
6.	347	+	160	=	507
7.	492	+	417	=	909
8.	457	+	215	=	672
9.	230	+	142	=	372
10.	337	+	166	=	503

Oefening 2
1.	317	+	108	=	425
2.	422	+	319	=	741
3.	304	+	284	=	588
4.	414	+	330	=	744
5.	457	+	392	=	849
6.	451	+	208	=	659
7.	450	+	379	=	829
8.	362	+	213	=	575
9.	384	+	202	=	586
10.	393	+	123	=	516

Oefening 3
1.	394	+	151	=	545
2.	417	+	203	=	620
3.	273	+	151	=	424
4.	325	+	319	=	644
5.	389	+	194	=	583
6.	465	+	439	=	904
7.	436	+	256	=	692
8.	169	+	162	=	331
9.	374	+	338	=	712
10.	342	+	253	=	595

Oefening 4
1.	441	+	233	=	674
2.	392	+	252	=	644
3.	307	+	137	=	444
4.	442	+	380	=	822
5.	390	+	377	=	767
6.	347	+	226	=	573
7.	483	+	187	=	670
8.	451	+	124	=	575
9.	462	+	406	=	868
10.	204	+	104	=	308