Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	976	+		=	1.288
2.	798	+		=	1.246
3.	545	+		=	790
4.	818	+		=	1.171
5.	936	+		=	1.295
6.	705	+		=	1.126
7.	650	+		=	948
8.	458	+		=	677
9.	834	+		=	1.130
10.	886	+		=	1.278

Oefening 2
1.	987	+		=	1.789
2.	841	+		=	1.186
3.	908	+		=	1.342
4.	999	+		=	1.756
5.	702	+		=	930
6.	756	+		=	1.504
7.	969	+		=	1.867
8.	789	+		=	1.161
9.	707	+		=	1.412
10.	843	+		=	1.655

Oefening 3
1.	775	+		=	1.150
2.	658	+		=	1.184
3.	478	+		=	909
4.	603	+		=	1.145
5.	869	+		=	1.459
6.	919	+		=	1.136
7.	913	+		=	1.595
8.	867	+		=	1.262
9.	908	+		=	1.520
10.	471	+		=	803

Oefening 4
1.	473	+		=	728
2.	917	+		=	1.129
3.	779	+		=	1.364
4.	620	+		=	836
5.	654	+		=	1.127
6.	534	+		=	930
7.	894	+		=	1.427
8.	927	+		=	1.604
9.	645	+		=	1.052
10.	991	+		=	1.412

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	976	+	312	=	1.288
2.	798	+	448	=	1.246
3.	545	+	245	=	790
4.	818	+	353	=	1.171
5.	936	+	359	=	1.295
6.	705	+	421	=	1.126
7.	650	+	298	=	948
8.	458	+	219	=	677
9.	834	+	296	=	1.130
10.	886	+	392	=	1.278

Oefening 2
1.	987	+	802	=	1.789
2.	841	+	345	=	1.186
3.	908	+	434	=	1.342
4.	999	+	757	=	1.756
5.	702	+	228	=	930
6.	756	+	748	=	1.504
7.	969	+	898	=	1.867
8.	789	+	372	=	1.161
9.	707	+	705	=	1.412
10.	843	+	812	=	1.655

Oefening 3
1.	775	+	375	=	1.150
2.	658	+	526	=	1.184
3.	478	+	431	=	909
4.	603	+	542	=	1.145
5.	869	+	590	=	1.459
6.	919	+	217	=	1.136
7.	913	+	682	=	1.595
8.	867	+	395	=	1.262
9.	908	+	612	=	1.520
10.	471	+	332	=	803

Oefening 4
1.	473	+	255	=	728
2.	917	+	212	=	1.129
3.	779	+	585	=	1.364
4.	620	+	216	=	836
5.	654	+	473	=	1.127
6.	534	+	396	=	930
7.	894	+	533	=	1.427
8.	927	+	677	=	1.604
9.	645	+	407	=	1.052
10.	991	+	421	=	1.412