Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	829	+		=	1.233
2.	908	+		=	1.755
3.	590	+		=	878
4.	730	+		=	1.055
5.	825	+		=	1.612
6.	612	+		=	1.069
7.	650	+		=	969
8.	858	+		=	1.221
9.	609	+		=	936
10.	943	+		=	1.594

Oefening 2
1.	946	+		=	1.391
2.	902	+		=	1.759
3.	372	+		=	655
4.	984	+		=	1.847
5.	716	+		=	997
6.	963	+		=	1.567
7.	849	+		=	1.491
8.	587	+		=	899
9.	995	+		=	1.687
10.	568	+		=	1.068

Oefening 3
1.	356	+		=	675
2.	901	+		=	1.103
3.	716	+		=	1.060
4.	745	+		=	1.281
5.	909	+		=	1.576
6.	724	+		=	1.377
7.	783	+		=	1.098
8.	895	+		=	1.134
9.	755	+		=	1.364
10.	809	+		=	1.277

Oefening 4
1.	729	+		=	1.290
2.	868	+		=	1.326
3.	869	+		=	1.535
4.	921	+		=	1.781
5.	927	+		=	1.538
6.	805	+		=	1.219
7.	609	+		=	949
8.	740	+		=	1.315
9.	308	+		=	530
10.	700	+		=	1.075

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	829	+	404	=	1.233
2.	908	+	847	=	1.755
3.	590	+	288	=	878
4.	730	+	325	=	1.055
5.	825	+	787	=	1.612
6.	612	+	457	=	1.069
7.	650	+	319	=	969
8.	858	+	363	=	1.221
9.	609	+	327	=	936
10.	943	+	651	=	1.594

Oefening 2
1.	946	+	445	=	1.391
2.	902	+	857	=	1.759
3.	372	+	283	=	655
4.	984	+	863	=	1.847
5.	716	+	281	=	997
6.	963	+	604	=	1.567
7.	849	+	642	=	1.491
8.	587	+	312	=	899
9.	995	+	692	=	1.687
10.	568	+	500	=	1.068

Oefening 3
1.	356	+	319	=	675
2.	901	+	202	=	1.103
3.	716	+	344	=	1.060
4.	745	+	536	=	1.281
5.	909	+	667	=	1.576
6.	724	+	653	=	1.377
7.	783	+	315	=	1.098
8.	895	+	239	=	1.134
9.	755	+	609	=	1.364
10.	809	+	468	=	1.277

Oefening 4
1.	729	+	561	=	1.290
2.	868	+	458	=	1.326
3.	869	+	666	=	1.535
4.	921	+	860	=	1.781
5.	927	+	611	=	1.538
6.	805	+	414	=	1.219
7.	609	+	340	=	949
8.	740	+	575	=	1.315
9.	308	+	222	=	530
10.	700	+	375	=	1.075