Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	926	+		=	1.738
2.	950	+		=	1.594
3.	918	+		=	1.786
4.	951	+		=	1.443
5.	848	+		=	1.051
6.	545	+		=	867
7.	992	+		=	1.864
8.	979	+		=	1.384
9.	799	+		=	1.585
10.	843	+		=	1.225

Oefening 2
1.	986	+		=	1.361
2.	947	+		=	1.856
3.	580	+		=	1.138
4.	895	+		=	1.537
5.	658	+		=	875
6.	674	+		=	1.198
7.	530	+		=	917
8.	663	+		=	951
9.	736	+		=	990
10.	819	+		=	1.151

Oefening 3
1.	944	+		=	1.469
2.	451	+		=	889
3.	800	+		=	1.160
4.	555	+		=	1.109
5.	859	+		=	1.107
6.	833	+		=	1.186
7.	445	+		=	845
8.	838	+		=	1.340
9.	722	+		=	1.112
10.	470	+		=	745

Oefening 4
1.	729	+		=	1.150
2.	723	+		=	1.073
3.	431	+		=	816
4.	899	+		=	1.226
5.	594	+		=	1.148
6.	383	+		=	710
7.	781	+		=	1.542
8.	353	+		=	662
9.	384	+		=	718
10.	854	+		=	1.337

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	926	+	812	=	1.738
2.	950	+	644	=	1.594
3.	918	+	868	=	1.786
4.	951	+	492	=	1.443
5.	848	+	203	=	1.051
6.	545	+	322	=	867
7.	992	+	872	=	1.864
8.	979	+	405	=	1.384
9.	799	+	786	=	1.585
10.	843	+	382	=	1.225

Oefening 2
1.	986	+	375	=	1.361
2.	947	+	909	=	1.856
3.	580	+	558	=	1.138
4.	895	+	642	=	1.537
5.	658	+	217	=	875
6.	674	+	524	=	1.198
7.	530	+	387	=	917
8.	663	+	288	=	951
9.	736	+	254	=	990
10.	819	+	332	=	1.151

Oefening 3
1.	944	+	525	=	1.469
2.	451	+	438	=	889
3.	800	+	360	=	1.160
4.	555	+	554	=	1.109
5.	859	+	248	=	1.107
6.	833	+	353	=	1.186
7.	445	+	400	=	845
8.	838	+	502	=	1.340
9.	722	+	390	=	1.112
10.	470	+	275	=	745

Oefening 4
1.	729	+	421	=	1.150
2.	723	+	350	=	1.073
3.	431	+	385	=	816
4.	899	+	327	=	1.226
5.	594	+	554	=	1.148
6.	383	+	327	=	710
7.	781	+	761	=	1.542
8.	353	+	309	=	662
9.	384	+	334	=	718
10.	854	+	483	=	1.337