Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	447	+		=	624
2.	384	+		=	684
3.	481	+		=	716
4.	436	+		=	552
5.	462	+		=	818
6.	420	+		=	584
7.	187	+		=	342
8.	454	+		=	701
9.	182	+		=	315
10.	482	+		=	890

Oefening 2
1.	185	+		=	342
2.	248	+		=	357
3.	462	+		=	764
4.	342	+		=	597
5.	485	+		=	866
6.	269	+		=	404
7.	210	+		=	373
8.	322	+		=	560
9.	402	+		=	667
10.	463	+		=	607

Oefening 3
1.	446	+		=	799
2.	453	+		=	881
3.	434	+		=	777
4.	460	+		=	707
5.	474	+		=	840
6.	483	+		=	585
7.	298	+		=	452
8.	461	+		=	735
9.	497	+		=	694
10.	183	+		=	294

Oefening 4
1.	461	+		=	850
2.	332	+		=	461
3.	399	+		=	685
4.	385	+		=	632
5.	301	+		=	493
6.	399	+		=	718
7.	357	+		=	610
8.	454	+		=	678
9.	313	+		=	540
10.	277	+		=	501

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	447	+	177	=	624
2.	384	+	300	=	684
3.	481	+	235	=	716
4.	436	+	116	=	552
5.	462	+	356	=	818
6.	420	+	164	=	584
7.	187	+	155	=	342
8.	454	+	247	=	701
9.	182	+	133	=	315
10.	482	+	408	=	890

Oefening 2
1.	185	+	157	=	342
2.	248	+	109	=	357
3.	462	+	302	=	764
4.	342	+	255	=	597
5.	485	+	381	=	866
6.	269	+	135	=	404
7.	210	+	163	=	373
8.	322	+	238	=	560
9.	402	+	265	=	667
10.	463	+	144	=	607

Oefening 3
1.	446	+	353	=	799
2.	453	+	428	=	881
3.	434	+	343	=	777
4.	460	+	247	=	707
5.	474	+	366	=	840
6.	483	+	102	=	585
7.	298	+	154	=	452
8.	461	+	274	=	735
9.	497	+	197	=	694
10.	183	+	111	=	294

Oefening 4
1.	461	+	389	=	850
2.	332	+	129	=	461
3.	399	+	286	=	685
4.	385	+	247	=	632
5.	301	+	192	=	493
6.	399	+	319	=	718
7.	357	+	253	=	610
8.	454	+	224	=	678
9.	313	+	227	=	540
10.	277	+	224	=	501