Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	989	+		=	1.481
2.	889	+		=	1.263
3.	968	+		=	1.623
4.	461	+		=	784
5.	824	+		=	1.590
6.	579	+		=	825
7.	869	+		=	1.177
8.	642	+		=	847
9.	501	+		=	857
10.	388	+		=	769

Oefening 2
1.	836	+		=	1.276
2.	975	+		=	1.682
3.	686	+		=	1.324
4.	915	+		=	1.319
5.	384	+		=	697
6.	457	+		=	735
7.	478	+		=	923
8.	982	+		=	1.237
9.	824	+		=	1.497
10.	578	+		=	1.030

Oefening 3
1.	648	+		=	913
2.	996	+		=	1.434
3.	757	+		=	1.298
4.	641	+		=	1.208
5.	971	+		=	1.646
6.	387	+		=	631
7.	815	+		=	1.293
8.	514	+		=	735
9.	767	+		=	1.515
10.	497	+		=	697

Oefening 4
1.	969	+		=	1.274
2.	877	+		=	1.524
3.	929	+		=	1.695
4.	865	+		=	1.223
5.	931	+		=	1.548
6.	751	+		=	1.447
7.	357	+		=	624
8.	967	+		=	1.763
9.	776	+		=	1.350
10.	718	+		=	1.210

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	989	+	492	=	1.481
2.	889	+	374	=	1.263
3.	968	+	655	=	1.623
4.	461	+	323	=	784
5.	824	+	766	=	1.590
6.	579	+	246	=	825
7.	869	+	308	=	1.177
8.	642	+	205	=	847
9.	501	+	356	=	857
10.	388	+	381	=	769

Oefening 2
1.	836	+	440	=	1.276
2.	975	+	707	=	1.682
3.	686	+	638	=	1.324
4.	915	+	404	=	1.319
5.	384	+	313	=	697
6.	457	+	278	=	735
7.	478	+	445	=	923
8.	982	+	255	=	1.237
9.	824	+	673	=	1.497
10.	578	+	452	=	1.030

Oefening 3
1.	648	+	265	=	913
2.	996	+	438	=	1.434
3.	757	+	541	=	1.298
4.	641	+	567	=	1.208
5.	971	+	675	=	1.646
6.	387	+	244	=	631
7.	815	+	478	=	1.293
8.	514	+	221	=	735
9.	767	+	748	=	1.515
10.	497	+	200	=	697

Oefening 4
1.	969	+	305	=	1.274
2.	877	+	647	=	1.524
3.	929	+	766	=	1.695
4.	865	+	358	=	1.223
5.	931	+	617	=	1.548
6.	751	+	696	=	1.447
7.	357	+	267	=	624
8.	967	+	796	=	1.763
9.	776	+	574	=	1.350
10.	718	+	492	=	1.210