Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	627	+		=	866
2.	793	+		=	1.219
3.	438	+		=	700
4.	761	+		=	962
5.	603	+		=	1.019
6.	730	+		=	1.141
7.	477	+		=	731
8.	930	+		=	1.490
9.	527	+		=	823
10.	469	+		=	735

Oefening 2
1.	880	+		=	1.551
2.	754	+		=	1.373
3.	974	+		=	1.349
4.	796	+		=	1.124
5.	900	+		=	1.118
6.	341	+		=	589
7.	686	+		=	1.027
8.	894	+		=	1.592
9.	619	+		=	1.180
10.	731	+		=	1.211

Oefening 3
1.	587	+		=	925
2.	373	+		=	703
3.	721	+		=	1.184
4.	353	+		=	626
5.	716	+		=	1.083
6.	638	+		=	1.223
7.	429	+		=	807
8.	432	+		=	687
9.	959	+		=	1.379
10.	935	+		=	1.135

Oefening 4
1.	643	+		=	1.123
2.	729	+		=	1.445
3.	931	+		=	1.800
4.	831	+		=	1.085
5.	520	+		=	741
6.	833	+		=	1.359
7.	722	+		=	1.095
8.	364	+		=	633
9.	805	+		=	1.369
10.	752	+		=	1.253

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	627	+	239	=	866
2.	793	+	426	=	1.219
3.	438	+	262	=	700
4.	761	+	201	=	962
5.	603	+	416	=	1.019
6.	730	+	411	=	1.141
7.	477	+	254	=	731
8.	930	+	560	=	1.490
9.	527	+	296	=	823
10.	469	+	266	=	735

Oefening 2
1.	880	+	671	=	1.551
2.	754	+	619	=	1.373
3.	974	+	375	=	1.349
4.	796	+	328	=	1.124
5.	900	+	218	=	1.118
6.	341	+	248	=	589
7.	686	+	341	=	1.027
8.	894	+	698	=	1.592
9.	619	+	561	=	1.180
10.	731	+	480	=	1.211

Oefening 3
1.	587	+	338	=	925
2.	373	+	330	=	703
3.	721	+	463	=	1.184
4.	353	+	273	=	626
5.	716	+	367	=	1.083
6.	638	+	585	=	1.223
7.	429	+	378	=	807
8.	432	+	255	=	687
9.	959	+	420	=	1.379
10.	935	+	200	=	1.135

Oefening 4
1.	643	+	480	=	1.123
2.	729	+	716	=	1.445
3.	931	+	869	=	1.800
4.	831	+	254	=	1.085
5.	520	+	221	=	741
6.	833	+	526	=	1.359
7.	722	+	373	=	1.095
8.	364	+	269	=	633
9.	805	+	564	=	1.369
10.	752	+	501	=	1.253