Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	830	+		=	1.483
2.	796	+		=	1.120
3.	478	+		=	740
4.	791	+		=	1.580
5.	710	+		=	1.331
6.	903	+		=	1.511
7.	771	+		=	1.421
8.	442	+		=	698
9.	903	+		=	1.282
10.	751	+		=	1.104

Oefening 2
1.	763	+		=	1.076
2.	479	+		=	859
3.	846	+		=	1.508
4.	729	+		=	931
5.	637	+		=	1.021
6.	346	+		=	559
7.	663	+		=	1.010
8.	794	+		=	1.310
9.	753	+		=	1.242
10.	738	+		=	1.431

Oefening 3
1.	680	+		=	1.209
2.	768	+		=	1.515
3.	786	+		=	1.106
4.	705	+		=	1.380
5.	995	+		=	1.810
6.	960	+		=	1.218
7.	576	+		=	854
8.	892	+		=	1.544
9.	669	+		=	995
10.	319	+		=	621

Oefening 4
1.	627	+		=	1.045
2.	851	+		=	1.162
3.	977	+		=	1.564
4.	825	+		=	1.111
5.	771	+		=	1.405
6.	499	+		=	843
7.	757	+		=	1.030
8.	973	+		=	1.442
9.	909	+		=	1.420
10.	722	+		=	1.362

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	830	+	653	=	1.483
2.	796	+	324	=	1.120
3.	478	+	262	=	740
4.	791	+	789	=	1.580
5.	710	+	621	=	1.331
6.	903	+	608	=	1.511
7.	771	+	650	=	1.421
8.	442	+	256	=	698
9.	903	+	379	=	1.282
10.	751	+	353	=	1.104

Oefening 2
1.	763	+	313	=	1.076
2.	479	+	380	=	859
3.	846	+	662	=	1.508
4.	729	+	202	=	931
5.	637	+	384	=	1.021
6.	346	+	213	=	559
7.	663	+	347	=	1.010
8.	794	+	516	=	1.310
9.	753	+	489	=	1.242
10.	738	+	693	=	1.431

Oefening 3
1.	680	+	529	=	1.209
2.	768	+	747	=	1.515
3.	786	+	320	=	1.106
4.	705	+	675	=	1.380
5.	995	+	815	=	1.810
6.	960	+	258	=	1.218
7.	576	+	278	=	854
8.	892	+	652	=	1.544
9.	669	+	326	=	995
10.	319	+	302	=	621

Oefening 4
1.	627	+	418	=	1.045
2.	851	+	311	=	1.162
3.	977	+	587	=	1.564
4.	825	+	286	=	1.111
5.	771	+	634	=	1.405
6.	499	+	344	=	843
7.	757	+	273	=	1.030
8.	973	+	469	=	1.442
9.	909	+	511	=	1.420
10.	722	+	640	=	1.362