Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	426	+		=	706
2.	389	+		=	627
3.	467	+		=	713
4.	279	+		=	556
5.	456	+		=	608
6.	230	+		=	418
7.	455	+		=	642
8.	240	+		=	385
9.	317	+		=	476
10.	313	+		=	506

Oefening 2
1.	385	+		=	700
2.	406	+		=	619
3.	361	+		=	479
4.	277	+		=	504
5.	479	+		=	939
6.	428	+		=	562
7.	468	+		=	889
8.	465	+		=	677
9.	339	+		=	521
10.	410	+		=	812

Oefening 3
1.	466	+		=	607
2.	301	+		=	591
3.	308	+		=	596
4.	184	+		=	359
5.	284	+		=	476
6.	327	+		=	485
7.	455	+		=	779
8.	464	+		=	793
9.	226	+		=	445
10.	346	+		=	498

Oefening 4
1.	327	+		=	634
2.	266	+		=	455
3.	439	+		=	840
4.	399	+		=	709
5.	474	+		=	597
6.	221	+		=	385
7.	343	+		=	598
8.	472	+		=	760
9.	455	+		=	623
10.	258	+		=	365

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	426	+	280	=	706
2.	389	+	238	=	627
3.	467	+	246	=	713
4.	279	+	277	=	556
5.	456	+	152	=	608
6.	230	+	188	=	418
7.	455	+	187	=	642
8.	240	+	145	=	385
9.	317	+	159	=	476
10.	313	+	193	=	506

Oefening 2
1.	385	+	315	=	700
2.	406	+	213	=	619
3.	361	+	118	=	479
4.	277	+	227	=	504
5.	479	+	460	=	939
6.	428	+	134	=	562
7.	468	+	421	=	889
8.	465	+	212	=	677
9.	339	+	182	=	521
10.	410	+	402	=	812

Oefening 3
1.	466	+	141	=	607
2.	301	+	290	=	591
3.	308	+	288	=	596
4.	184	+	175	=	359
5.	284	+	192	=	476
6.	327	+	158	=	485
7.	455	+	324	=	779
8.	464	+	329	=	793
9.	226	+	219	=	445
10.	346	+	152	=	498

Oefening 4
1.	327	+	307	=	634
2.	266	+	189	=	455
3.	439	+	401	=	840
4.	399	+	310	=	709
5.	474	+	123	=	597
6.	221	+	164	=	385
7.	343	+	255	=	598
8.	472	+	288	=	760
9.	455	+	168	=	623
10.	258	+	107	=	365