Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	391	+		=	657
2.	233	+		=	459
3.	241	+		=	364
4.	335	+		=	511
5.	435	+		=	810
6.	443	+		=	575
7.	324	+		=	536
8.	419	+		=	647
9.	480	+		=	689
10.	434	+		=	671

Oefening 2
1.	333	+		=	463
2.	336	+		=	510
3.	476	+		=	745
4.	474	+		=	905
5.	496	+		=	674
6.	491	+		=	809
7.	396	+		=	556
8.	325	+		=	535
9.	337	+		=	631
10.	341	+		=	514

Oefening 3
1.	472	+		=	633
2.	323	+		=	554
3.	408	+		=	768
4.	379	+		=	705
5.	319	+		=	600
6.	179	+		=	342
7.	457	+		=	772
8.	467	+		=	827
9.	494	+		=	854
10.	371	+		=	588

Oefening 4
1.	333	+		=	641
2.	368	+		=	497
3.	450	+		=	598
4.	441	+		=	580
5.	374	+		=	740
6.	456	+		=	704
7.	381	+		=	516
8.	460	+		=	706
9.	347	+		=	450
10.	419	+		=	584

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	391	+	266	=	657
2.	233	+	226	=	459
3.	241	+	123	=	364
4.	335	+	176	=	511
5.	435	+	375	=	810
6.	443	+	132	=	575
7.	324	+	212	=	536
8.	419	+	228	=	647
9.	480	+	209	=	689
10.	434	+	237	=	671

Oefening 2
1.	333	+	130	=	463
2.	336	+	174	=	510
3.	476	+	269	=	745
4.	474	+	431	=	905
5.	496	+	178	=	674
6.	491	+	318	=	809
7.	396	+	160	=	556
8.	325	+	210	=	535
9.	337	+	294	=	631
10.	341	+	173	=	514

Oefening 3
1.	472	+	161	=	633
2.	323	+	231	=	554
3.	408	+	360	=	768
4.	379	+	326	=	705
5.	319	+	281	=	600
6.	179	+	163	=	342
7.	457	+	315	=	772
8.	467	+	360	=	827
9.	494	+	360	=	854
10.	371	+	217	=	588

Oefening 4
1.	333	+	308	=	641
2.	368	+	129	=	497
3.	450	+	148	=	598
4.	441	+	139	=	580
5.	374	+	366	=	740
6.	456	+	248	=	704
7.	381	+	135	=	516
8.	460	+	246	=	706
9.	347	+	103	=	450
10.	419	+	165	=	584