Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	492	+		=	922
2.	961	+		=	1.882
3.	575	+		=	1.139
4.	928	+		=	1.708
5.	715	+		=	1.274
6.	497	+		=	742
7.	700	+		=	1.199
8.	717	+		=	950
9.	369	+		=	724
10.	828	+		=	1.615

Oefening 2
1.	996	+		=	1.468
2.	644	+		=	1.072
3.	904	+		=	1.185
4.	922	+		=	1.485
5.	636	+		=	1.117
6.	931	+		=	1.747
7.	868	+		=	1.648
8.	702	+		=	1.027
9.	838	+		=	1.253
10.	851	+		=	1.442

Oefening 3
1.	907	+		=	1.497
2.	505	+		=	945
3.	593	+		=	1.099
4.	389	+		=	623
5.	384	+		=	640
6.	720	+		=	979
7.	723	+		=	1.202
8.	614	+		=	1.098
9.	906	+		=	1.219
10.	679	+		=	906

Oefening 4
1.	993	+		=	1.566
2.	932	+		=	1.510
3.	632	+		=	859
4.	418	+		=	717
5.	950	+		=	1.571
6.	594	+		=	921
7.	947	+		=	1.645
8.	435	+		=	847
9.	646	+		=	1.071
10.	817	+		=	1.031

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	492	+	430	=	922
2.	961	+	921	=	1.882
3.	575	+	564	=	1.139
4.	928	+	780	=	1.708
5.	715	+	559	=	1.274
6.	497	+	245	=	742
7.	700	+	499	=	1.199
8.	717	+	233	=	950
9.	369	+	355	=	724
10.	828	+	787	=	1.615

Oefening 2
1.	996	+	472	=	1.468
2.	644	+	428	=	1.072
3.	904	+	281	=	1.185
4.	922	+	563	=	1.485
5.	636	+	481	=	1.117
6.	931	+	816	=	1.747
7.	868	+	780	=	1.648
8.	702	+	325	=	1.027
9.	838	+	415	=	1.253
10.	851	+	591	=	1.442

Oefening 3
1.	907	+	590	=	1.497
2.	505	+	440	=	945
3.	593	+	506	=	1.099
4.	389	+	234	=	623
5.	384	+	256	=	640
6.	720	+	259	=	979
7.	723	+	479	=	1.202
8.	614	+	484	=	1.098
9.	906	+	313	=	1.219
10.	679	+	227	=	906

Oefening 4
1.	993	+	573	=	1.566
2.	932	+	578	=	1.510
3.	632	+	227	=	859
4.	418	+	299	=	717
5.	950	+	621	=	1.571
6.	594	+	327	=	921
7.	947	+	698	=	1.645
8.	435	+	412	=	847
9.	646	+	425	=	1.071
10.	817	+	214	=	1.031