Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	749	+		=	1.149
2.	528	+		=	993
3.	900	+		=	1.668
4.	903	+		=	1.455
5.	751	+		=	1.354
6.	884	+		=	1.474
7.	857	+		=	1.347
8.	591	+		=	967
9.	621	+		=	882
10.	567	+		=	889

Oefening 2
1.	623	+		=	901
2.	760	+		=	1.068
3.	671	+		=	1.274
4.	978	+		=	1.674
5.	960	+		=	1.318
6.	511	+		=	847
7.	388	+		=	606
8.	745	+		=	1.060
9.	356	+		=	670
10.	822	+		=	1.278

Oefening 3
1.	763	+		=	1.450
2.	688	+		=	999
3.	736	+		=	1.022
4.	724	+		=	1.224
5.	732	+		=	1.361
6.	721	+		=	959
7.	725	+		=	1.081
8.	577	+		=	833
9.	643	+		=	1.253
10.	358	+		=	580

Oefening 4
1.	970	+		=	1.757
2.	914	+		=	1.686
3.	763	+		=	1.451
4.	467	+		=	686
5.	856	+		=	1.309
6.	693	+		=	1.332
7.	900	+		=	1.624
8.	811	+		=	1.486
9.	659	+		=	1.068
10.	980	+		=	1.926

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	749	+	400	=	1.149
2.	528	+	465	=	993
3.	900	+	768	=	1.668
4.	903	+	552	=	1.455
5.	751	+	603	=	1.354
6.	884	+	590	=	1.474
7.	857	+	490	=	1.347
8.	591	+	376	=	967
9.	621	+	261	=	882
10.	567	+	322	=	889

Oefening 2
1.	623	+	278	=	901
2.	760	+	308	=	1.068
3.	671	+	603	=	1.274
4.	978	+	696	=	1.674
5.	960	+	358	=	1.318
6.	511	+	336	=	847
7.	388	+	218	=	606
8.	745	+	315	=	1.060
9.	356	+	314	=	670
10.	822	+	456	=	1.278

Oefening 3
1.	763	+	687	=	1.450
2.	688	+	311	=	999
3.	736	+	286	=	1.022
4.	724	+	500	=	1.224
5.	732	+	629	=	1.361
6.	721	+	238	=	959
7.	725	+	356	=	1.081
8.	577	+	256	=	833
9.	643	+	610	=	1.253
10.	358	+	222	=	580

Oefening 4
1.	970	+	787	=	1.757
2.	914	+	772	=	1.686
3.	763	+	688	=	1.451
4.	467	+	219	=	686
5.	856	+	453	=	1.309
6.	693	+	639	=	1.332
7.	900	+	724	=	1.624
8.	811	+	675	=	1.486
9.	659	+	409	=	1.068
10.	980	+	946	=	1.926