Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	315	+		=	600
2.	309	+		=	587
3.	321	+		=	483
4.	492	+		=	641
5.	384	+		=	673
6.	402	+		=	729
7.	435	+		=	841
8.	310	+		=	588
9.	231	+		=	456
10.	313	+		=	610

Oefening 2
1.	395	+		=	650
2.	396	+		=	732
3.	449	+		=	866
4.	425	+		=	650
5.	326	+		=	565
6.	446	+		=	724
7.	430	+		=	839
8.	283	+		=	419
9.	361	+		=	518
10.	406	+		=	574

Oefening 3
1.	439	+		=	558
2.	405	+		=	728
3.	498	+		=	759
4.	375	+		=	565
5.	411	+		=	801
6.	462	+		=	878
7.	332	+		=	593
8.	317	+		=	460
9.	230	+		=	389
10.	141	+		=	257

Oefening 4
1.	321	+		=	635
2.	408	+		=	640
3.	206	+		=	332
4.	477	+		=	795
5.	398	+		=	551
6.	208	+		=	325
7.	313	+		=	612
8.	363	+		=	652
9.	362	+		=	570
10.	495	+		=	904

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	315	+	285	=	600
2.	309	+	278	=	587
3.	321	+	162	=	483
4.	492	+	149	=	641
5.	384	+	289	=	673
6.	402	+	327	=	729
7.	435	+	406	=	841
8.	310	+	278	=	588
9.	231	+	225	=	456
10.	313	+	297	=	610

Oefening 2
1.	395	+	255	=	650
2.	396	+	336	=	732
3.	449	+	417	=	866
4.	425	+	225	=	650
5.	326	+	239	=	565
6.	446	+	278	=	724
7.	430	+	409	=	839
8.	283	+	136	=	419
9.	361	+	157	=	518
10.	406	+	168	=	574

Oefening 3
1.	439	+	119	=	558
2.	405	+	323	=	728
3.	498	+	261	=	759
4.	375	+	190	=	565
5.	411	+	390	=	801
6.	462	+	416	=	878
7.	332	+	261	=	593
8.	317	+	143	=	460
9.	230	+	159	=	389
10.	141	+	116	=	257

Oefening 4
1.	321	+	314	=	635
2.	408	+	232	=	640
3.	206	+	126	=	332
4.	477	+	318	=	795
5.	398	+	153	=	551
6.	208	+	117	=	325
7.	313	+	299	=	612
8.	363	+	289	=	652
9.	362	+	208	=	570
10.	495	+	409	=	904