Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	333	+		=	488
2.	460	+		=	848
3.	297	+		=	470
4.	452	+		=	872
5.	402	+		=	690
6.	490	+		=	802
7.	484	+		=	913
8.	359	+		=	495
9.	243	+		=	389
10.	435	+		=	569

Oefening 2
1.	319	+		=	598
2.	396	+		=	787
3.	280	+		=	531
4.	433	+		=	766
5.	343	+		=	675
6.	248	+		=	356
7.	436	+		=	769
8.	194	+		=	360
9.	233	+		=	390
10.	430	+		=	721

Oefening 3
1.	279	+		=	544
2.	256	+		=	370
3.	368	+		=	530
4.	322	+		=	639
5.	470	+		=	587
6.	407	+		=	760
7.	127	+		=	253
8.	251	+		=	425
9.	424	+		=	814
10.	391	+		=	535

Oefening 4
1.	385	+		=	521
2.	337	+		=	627
3.	360	+		=	479
4.	196	+		=	374
5.	216	+		=	411
6.	448	+		=	744
7.	471	+		=	881
8.	445	+		=	624
9.	313	+		=	591
10.	369	+		=	607

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	333	+	155	=	488
2.	460	+	388	=	848
3.	297	+	173	=	470
4.	452	+	420	=	872
5.	402	+	288	=	690
6.	490	+	312	=	802
7.	484	+	429	=	913
8.	359	+	136	=	495
9.	243	+	146	=	389
10.	435	+	134	=	569

Oefening 2
1.	319	+	279	=	598
2.	396	+	391	=	787
3.	280	+	251	=	531
4.	433	+	333	=	766
5.	343	+	332	=	675
6.	248	+	108	=	356
7.	436	+	333	=	769
8.	194	+	166	=	360
9.	233	+	157	=	390
10.	430	+	291	=	721

Oefening 3
1.	279	+	265	=	544
2.	256	+	114	=	370
3.	368	+	162	=	530
4.	322	+	317	=	639
5.	470	+	117	=	587
6.	407	+	353	=	760
7.	127	+	126	=	253
8.	251	+	174	=	425
9.	424	+	390	=	814
10.	391	+	144	=	535

Oefening 4
1.	385	+	136	=	521
2.	337	+	290	=	627
3.	360	+	119	=	479
4.	196	+	178	=	374
5.	216	+	195	=	411
6.	448	+	296	=	744
7.	471	+	410	=	881
8.	445	+	179	=	624
9.	313	+	278	=	591
10.	369	+	238	=	607