Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	475	+		=	915
2.	239	+		=	445
3.	492	+		=	963
4.	418	+		=	606
5.	458	+		=	868
6.	296	+		=	568
7.	423	+		=	564
8.	486	+		=	634
9.	451	+		=	845
10.	371	+		=	696

Oefening 2
1.	481	+		=	884
2.	482	+		=	759
3.	473	+		=	756
4.	437	+		=	723
5.	476	+		=	721
6.	257	+		=	403
7.	440	+		=	792
8.	256	+		=	434
9.	362	+		=	623
10.	408	+		=	608

Oefening 3
1.	439	+		=	644
2.	335	+		=	567
3.	480	+		=	758
4.	340	+		=	619
5.	421	+		=	743
6.	400	+		=	534
7.	436	+		=	624
8.	208	+		=	416
9.	309	+		=	609
10.	361	+		=	697

Oefening 4
1.	346	+		=	540
2.	438	+		=	830
3.	426	+		=	829
4.	269	+		=	479
5.	443	+		=	872
6.	352	+		=	661
7.	342	+		=	472
8.	443	+		=	870
9.	261	+		=	467
10.	261	+		=	425

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	475	+	440	=	915
2.	239	+	206	=	445
3.	492	+	471	=	963
4.	418	+	188	=	606
5.	458	+	410	=	868
6.	296	+	272	=	568
7.	423	+	141	=	564
8.	486	+	148	=	634
9.	451	+	394	=	845
10.	371	+	325	=	696

Oefening 2
1.	481	+	403	=	884
2.	482	+	277	=	759
3.	473	+	283	=	756
4.	437	+	286	=	723
5.	476	+	245	=	721
6.	257	+	146	=	403
7.	440	+	352	=	792
8.	256	+	178	=	434
9.	362	+	261	=	623
10.	408	+	200	=	608

Oefening 3
1.	439	+	205	=	644
2.	335	+	232	=	567
3.	480	+	278	=	758
4.	340	+	279	=	619
5.	421	+	322	=	743
6.	400	+	134	=	534
7.	436	+	188	=	624
8.	208	+	208	=	416
9.	309	+	300	=	609
10.	361	+	336	=	697

Oefening 4
1.	346	+	194	=	540
2.	438	+	392	=	830
3.	426	+	403	=	829
4.	269	+	210	=	479
5.	443	+	429	=	872
6.	352	+	309	=	661
7.	342	+	130	=	472
8.	443	+	427	=	870
9.	261	+	206	=	467
10.	261	+	164	=	425