Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	593	+		=	813
2.	949	+		=	1.846
3.	581	+		=	1.036
4.	717	+		=	1.370
5.	906	+		=	1.789
6.	661	+		=	1.255
7.	417	+		=	670
8.	794	+		=	1.572
9.	298	+		=	508
10.	915	+		=	1.270

Oefening 2
1.	610	+		=	1.134
2.	674	+		=	1.157
3.	998	+		=	1.895
4.	711	+		=	1.180
5.	943	+		=	1.480
6.	938	+		=	1.736
7.	539	+		=	1.051
8.	809	+		=	1.362
9.	813	+		=	1.577
10.	346	+		=	674

Oefening 3
1.	709	+		=	1.406
2.	504	+		=	864
3.	678	+		=	946
4.	593	+		=	1.028
5.	590	+		=	973
6.	505	+		=	756
7.	579	+		=	1.128
8.	701	+		=	1.104
9.	670	+		=	1.240
10.	479	+		=	690

Oefening 4
1.	999	+		=	1.711
2.	520	+		=	778
3.	728	+		=	1.173
4.	792	+		=	1.549
5.	660	+		=	1.162
6.	445	+		=	850
7.	956	+		=	1.757
8.	943	+		=	1.765
9.	679	+		=	1.153
10.	937	+		=	1.241

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	593	+	220	=	813
2.	949	+	897	=	1.846
3.	581	+	455	=	1.036
4.	717	+	653	=	1.370
5.	906	+	883	=	1.789
6.	661	+	594	=	1.255
7.	417	+	253	=	670
8.	794	+	778	=	1.572
9.	298	+	210	=	508
10.	915	+	355	=	1.270

Oefening 2
1.	610	+	524	=	1.134
2.	674	+	483	=	1.157
3.	998	+	897	=	1.895
4.	711	+	469	=	1.180
5.	943	+	537	=	1.480
6.	938	+	798	=	1.736
7.	539	+	512	=	1.051
8.	809	+	553	=	1.362
9.	813	+	764	=	1.577
10.	346	+	328	=	674

Oefening 3
1.	709	+	697	=	1.406
2.	504	+	360	=	864
3.	678	+	268	=	946
4.	593	+	435	=	1.028
5.	590	+	383	=	973
6.	505	+	251	=	756
7.	579	+	549	=	1.128
8.	701	+	403	=	1.104
9.	670	+	570	=	1.240
10.	479	+	211	=	690

Oefening 4
1.	999	+	712	=	1.711
2.	520	+	258	=	778
3.	728	+	445	=	1.173
4.	792	+	757	=	1.549
5.	660	+	502	=	1.162
6.	445	+	405	=	850
7.	956	+	801	=	1.757
8.	943	+	822	=	1.765
9.	679	+	474	=	1.153
10.	937	+	304	=	1.241