Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	452	+		=	586
2.	498	+		=	749
3.	487	+		=	625
4.	332	+		=	628
5.	332	+		=	490
6.	352	+		=	581
7.	342	+		=	586
8.	217	+		=	410
9.	440	+		=	840
10.	414	+		=	741

Oefening 2
1.	267	+		=	506
2.	293	+		=	544
3.	415	+		=	800
4.	359	+		=	650
5.	467	+		=	576
6.	309	+		=	528
7.	357	+		=	572
8.	426	+		=	607
9.	396	+		=	767
10.	251	+		=	356

Oefening 3
1.	280	+		=	495
2.	300	+		=	502
3.	243	+		=	423
4.	360	+		=	684
5.	357	+		=	461
6.	321	+		=	639
7.	463	+		=	915
8.	356	+		=	533
9.	357	+		=	603
10.	308	+		=	593

Oefening 4
1.	183	+		=	332
2.	166	+		=	329
3.	406	+		=	725
4.	494	+		=	973
5.	386	+		=	490
6.	187	+		=	305
7.	212	+		=	320
8.	238	+		=	354
9.	387	+		=	649
10.	370	+		=	720

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	452	+	134	=	586
2.	498	+	251	=	749
3.	487	+	138	=	625
4.	332	+	296	=	628
5.	332	+	158	=	490
6.	352	+	229	=	581
7.	342	+	244	=	586
8.	217	+	193	=	410
9.	440	+	400	=	840
10.	414	+	327	=	741

Oefening 2
1.	267	+	239	=	506
2.	293	+	251	=	544
3.	415	+	385	=	800
4.	359	+	291	=	650
5.	467	+	109	=	576
6.	309	+	219	=	528
7.	357	+	215	=	572
8.	426	+	181	=	607
9.	396	+	371	=	767
10.	251	+	105	=	356

Oefening 3
1.	280	+	215	=	495
2.	300	+	202	=	502
3.	243	+	180	=	423
4.	360	+	324	=	684
5.	357	+	104	=	461
6.	321	+	318	=	639
7.	463	+	452	=	915
8.	356	+	177	=	533
9.	357	+	246	=	603
10.	308	+	285	=	593

Oefening 4
1.	183	+	149	=	332
2.	166	+	163	=	329
3.	406	+	319	=	725
4.	494	+	479	=	973
5.	386	+	104	=	490
6.	187	+	118	=	305
7.	212	+	108	=	320
8.	238	+	116	=	354
9.	387	+	262	=	649
10.	370	+	350	=	720