Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	429	+		=	643
2.	157	+		=	273
3.	435	+		=	643
4.	321	+		=	601
5.	447	+		=	890
6.	494	+		=	776
7.	187	+		=	313
8.	391	+		=	627
9.	273	+		=	544
10.	460	+		=	670

Oefening 2
1.	344	+		=	557
2.	451	+		=	686
3.	485	+		=	608
4.	200	+		=	314
5.	354	+		=	652
6.	420	+		=	574
7.	256	+		=	413
8.	240	+		=	422
9.	499	+		=	696
10.	426	+		=	832

Oefening 3
1.	275	+		=	413
2.	240	+		=	372
3.	495	+		=	618
4.	346	+		=	641
5.	293	+		=	568
6.	399	+		=	700
7.	415	+		=	629
8.	366	+		=	566
9.	424	+		=	663
10.	231	+		=	353

Oefening 4
1.	338	+		=	591
2.	488	+		=	729
3.	447	+		=	758
4.	437	+		=	589
5.	404	+		=	539
6.	256	+		=	488
7.	386	+		=	607
8.	364	+		=	600
9.	445	+		=	836
10.	256	+		=	373

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	429	+	214	=	643
2.	157	+	116	=	273
3.	435	+	208	=	643
4.	321	+	280	=	601
5.	447	+	443	=	890
6.	494	+	282	=	776
7.	187	+	126	=	313
8.	391	+	236	=	627
9.	273	+	271	=	544
10.	460	+	210	=	670

Oefening 2
1.	344	+	213	=	557
2.	451	+	235	=	686
3.	485	+	123	=	608
4.	200	+	114	=	314
5.	354	+	298	=	652
6.	420	+	154	=	574
7.	256	+	157	=	413
8.	240	+	182	=	422
9.	499	+	197	=	696
10.	426	+	406	=	832

Oefening 3
1.	275	+	138	=	413
2.	240	+	132	=	372
3.	495	+	123	=	618
4.	346	+	295	=	641
5.	293	+	275	=	568
6.	399	+	301	=	700
7.	415	+	214	=	629
8.	366	+	200	=	566
9.	424	+	239	=	663
10.	231	+	122	=	353

Oefening 4
1.	338	+	253	=	591
2.	488	+	241	=	729
3.	447	+	311	=	758
4.	437	+	152	=	589
5.	404	+	135	=	539
6.	256	+	232	=	488
7.	386	+	221	=	607
8.	364	+	236	=	600
9.	445	+	391	=	836
10.	256	+	117	=	373