Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	348	+		=	651
2.	428	+		=	707
3.	472	+		=	923
4.	249	+		=	443
5.	249	+		=	379
6.	429	+		=	752
7.	456	+		=	609
8.	244	+		=	346
9.	411	+		=	809
10.	384	+		=	585

Oefening 2
1.	332	+		=	531
2.	390	+		=	631
3.	484	+		=	694
4.	322	+		=	587
5.	485	+		=	831
6.	450	+		=	825
7.	456	+		=	676
8.	298	+		=	590
9.	314	+		=	568
10.	259	+		=	459

Oefening 3
1.	217	+		=	334
2.	439	+		=	687
3.	488	+		=	757
4.	394	+		=	571
5.	424	+		=	714
6.	438	+		=	566
7.	279	+		=	513
8.	392	+		=	520
9.	357	+		=	678
10.	250	+		=	391

Oefening 4
1.	327	+		=	516
2.	134	+		=	262
3.	241	+		=	343
4.	247	+		=	460
5.	133	+		=	250
6.	402	+		=	649
7.	111	+		=	218
8.	342	+		=	537
9.	191	+		=	318
10.	387	+		=	564

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	348	+	303	=	651
2.	428	+	279	=	707
3.	472	+	451	=	923
4.	249	+	194	=	443
5.	249	+	130	=	379
6.	429	+	323	=	752
7.	456	+	153	=	609
8.	244	+	102	=	346
9.	411	+	398	=	809
10.	384	+	201	=	585

Oefening 2
1.	332	+	199	=	531
2.	390	+	241	=	631
3.	484	+	210	=	694
4.	322	+	265	=	587
5.	485	+	346	=	831
6.	450	+	375	=	825
7.	456	+	220	=	676
8.	298	+	292	=	590
9.	314	+	254	=	568
10.	259	+	200	=	459

Oefening 3
1.	217	+	117	=	334
2.	439	+	248	=	687
3.	488	+	269	=	757
4.	394	+	177	=	571
5.	424	+	290	=	714
6.	438	+	128	=	566
7.	279	+	234	=	513
8.	392	+	128	=	520
9.	357	+	321	=	678
10.	250	+	141	=	391

Oefening 4
1.	327	+	189	=	516
2.	134	+	128	=	262
3.	241	+	102	=	343
4.	247	+	213	=	460
5.	133	+	117	=	250
6.	402	+	247	=	649
7.	111	+	107	=	218
8.	342	+	195	=	537
9.	191	+	127	=	318
10.	387	+	177	=	564