Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	313	+		=	455
2.	483	+		=	682
3.	310	+		=	541
4.	395	+		=	670
5.	439	+		=	591
6.	389	+		=	584
7.	415	+		=	617
8.	244	+		=	477
9.	408	+		=	629
10.	396	+		=	695

Oefening 2
1.	391	+		=	680
2.	393	+		=	704
3.	453	+		=	838
4.	326	+		=	476
5.	212	+		=	312
6.	441	+		=	656
7.	385	+		=	551
8.	257	+		=	368
9.	438	+		=	760
10.	499	+		=	861

Oefening 3
1.	466	+		=	606
2.	281	+		=	486
3.	468	+		=	724
4.	384	+		=	531
5.	392	+		=	607
6.	471	+		=	602
7.	344	+		=	626
8.	453	+		=	814
9.	166	+		=	331
10.	389	+		=	631

Oefening 4
1.	467	+		=	707
2.	369	+		=	507
3.	181	+		=	283
4.	280	+		=	459
5.	313	+		=	556
6.	269	+		=	383
7.	228	+		=	447
8.	228	+		=	345
9.	358	+		=	468
10.	185	+		=	290

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	313	+	142	=	455
2.	483	+	199	=	682
3.	310	+	231	=	541
4.	395	+	275	=	670
5.	439	+	152	=	591
6.	389	+	195	=	584
7.	415	+	202	=	617
8.	244	+	233	=	477
9.	408	+	221	=	629
10.	396	+	299	=	695

Oefening 2
1.	391	+	289	=	680
2.	393	+	311	=	704
3.	453	+	385	=	838
4.	326	+	150	=	476
5.	212	+	100	=	312
6.	441	+	215	=	656
7.	385	+	166	=	551
8.	257	+	111	=	368
9.	438	+	322	=	760
10.	499	+	362	=	861

Oefening 3
1.	466	+	140	=	606
2.	281	+	205	=	486
3.	468	+	256	=	724
4.	384	+	147	=	531
5.	392	+	215	=	607
6.	471	+	131	=	602
7.	344	+	282	=	626
8.	453	+	361	=	814
9.	166	+	165	=	331
10.	389	+	242	=	631

Oefening 4
1.	467	+	240	=	707
2.	369	+	138	=	507
3.	181	+	102	=	283
4.	280	+	179	=	459
5.	313	+	243	=	556
6.	269	+	114	=	383
7.	228	+	219	=	447
8.	228	+	117	=	345
9.	358	+	110	=	468
10.	185	+	105	=	290