Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	979	+		=	1.379
2.	910	+		=	1.169
3.	691	+		=	1.286
4.	875	+		=	1.359
5.	607	+		=	842
6.	910	+		=	1.553
7.	737	+		=	1.071
8.	542	+		=	816
9.	618	+		=	1.101
10.	879	+		=	1.636

Oefening 2
1.	931	+		=	1.356
2.	927	+		=	1.698
3.	516	+		=	997
4.	791	+		=	1.120
5.	769	+		=	1.475
6.	585	+		=	1.019
7.	813	+		=	1.277
8.	619	+		=	1.215
9.	882	+		=	1.688
10.	514	+		=	793

Oefening 3
1.	965	+		=	1.894
2.	797	+		=	1.202
3.	369	+		=	634
4.	647	+		=	1.139
5.	976	+		=	1.531
6.	814	+		=	1.579
7.	932	+		=	1.323
8.	742	+		=	1.254
9.	970	+		=	1.379
10.	789	+		=	1.513

Oefening 4
1.	575	+		=	859
2.	741	+		=	1.258
3.	820	+		=	1.144
4.	959	+		=	1.415
5.	879	+		=	1.268
6.	737	+		=	1.318
7.	395	+		=	624
8.	728	+		=	985
9.	342	+		=	643
10.	758	+		=	1.490

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	979	+	400	=	1.379
2.	910	+	259	=	1.169
3.	691	+	595	=	1.286
4.	875	+	484	=	1.359
5.	607	+	235	=	842
6.	910	+	643	=	1.553
7.	737	+	334	=	1.071
8.	542	+	274	=	816
9.	618	+	483	=	1.101
10.	879	+	757	=	1.636

Oefening 2
1.	931	+	425	=	1.356
2.	927	+	771	=	1.698
3.	516	+	481	=	997
4.	791	+	329	=	1.120
5.	769	+	706	=	1.475
6.	585	+	434	=	1.019
7.	813	+	464	=	1.277
8.	619	+	596	=	1.215
9.	882	+	806	=	1.688
10.	514	+	279	=	793

Oefening 3
1.	965	+	929	=	1.894
2.	797	+	405	=	1.202
3.	369	+	265	=	634
4.	647	+	492	=	1.139
5.	976	+	555	=	1.531
6.	814	+	765	=	1.579
7.	932	+	391	=	1.323
8.	742	+	512	=	1.254
9.	970	+	409	=	1.379
10.	789	+	724	=	1.513

Oefening 4
1.	575	+	284	=	859
2.	741	+	517	=	1.258
3.	820	+	324	=	1.144
4.	959	+	456	=	1.415
5.	879	+	389	=	1.268
6.	737	+	581	=	1.318
7.	395	+	229	=	624
8.	728	+	257	=	985
9.	342	+	301	=	643
10.	758	+	732	=	1.490