Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	217	+		=	363
2.	440	+		=	842
3.	408	+		=	729
4.	409	+		=	649
5.	480	+		=	645
6.	486	+		=	930
7.	356	+		=	710
8.	468	+		=	668
9.	373	+		=	684
10.	349	+		=	506

Oefening 2
1.	371	+		=	554
2.	346	+		=	649
3.	287	+		=	494
4.	334	+		=	610
5.	411	+		=	559
6.	262	+		=	425
7.	460	+		=	687
8.	422	+		=	670
9.	315	+		=	501
10.	465	+		=	849

Oefening 3
1.	322	+		=	612
2.	460	+		=	615
3.	321	+		=	494
4.	239	+		=	418
5.	256	+		=	357
6.	401	+		=	797
7.	412	+		=	808
8.	462	+		=	856
9.	333	+		=	580
10.	278	+		=	407

Oefening 4
1.	328	+		=	608
2.	348	+		=	556
3.	279	+		=	461
4.	469	+		=	848
5.	393	+		=	762
6.	485	+		=	893
7.	265	+		=	477
8.	372	+		=	526
9.	497	+		=	597
10.	429	+		=	786

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	217	+	146	=	363
2.	440	+	402	=	842
3.	408	+	321	=	729
4.	409	+	240	=	649
5.	480	+	165	=	645
6.	486	+	444	=	930
7.	356	+	354	=	710
8.	468	+	200	=	668
9.	373	+	311	=	684
10.	349	+	157	=	506

Oefening 2
1.	371	+	183	=	554
2.	346	+	303	=	649
3.	287	+	207	=	494
4.	334	+	276	=	610
5.	411	+	148	=	559
6.	262	+	163	=	425
7.	460	+	227	=	687
8.	422	+	248	=	670
9.	315	+	186	=	501
10.	465	+	384	=	849

Oefening 3
1.	322	+	290	=	612
2.	460	+	155	=	615
3.	321	+	173	=	494
4.	239	+	179	=	418
5.	256	+	101	=	357
6.	401	+	396	=	797
7.	412	+	396	=	808
8.	462	+	394	=	856
9.	333	+	247	=	580
10.	278	+	129	=	407

Oefening 4
1.	328	+	280	=	608
2.	348	+	208	=	556
3.	279	+	182	=	461
4.	469	+	379	=	848
5.	393	+	369	=	762
6.	485	+	408	=	893
7.	265	+	212	=	477
8.	372	+	154	=	526
9.	497	+	100	=	597
10.	429	+	357	=	786