Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	256	+		=	462
2.	259	+		=	462
3.	269	+		=	514
4.	389	+		=	575
5.	419	+		=	764
6.	419	+		=	611
7.	461	+		=	755
8.	495	+		=	765
9.	212	+		=	321
10.	477	+		=	748

Oefening 2
1.	283	+		=	419
2.	256	+		=	443
3.	494	+		=	720
4.	411	+		=	791
5.	424	+		=	525
6.	438	+		=	745
7.	402	+		=	788
8.	427	+		=	796
9.	406	+		=	589
10.	380	+		=	674

Oefening 3
1.	472	+		=	880
2.	132	+		=	249
3.	471	+		=	589
4.	272	+		=	465
5.	280	+		=	505
6.	496	+		=	722
7.	196	+		=	312
8.	341	+		=	545
9.	325	+		=	437
10.	445	+		=	696

Oefening 4
1.	436	+		=	732
2.	450	+		=	657
3.	402	+		=	538
4.	333	+		=	610
5.	399	+		=	696
6.	225	+		=	427
7.	341	+		=	532
8.	282	+		=	550
9.	276	+		=	392
10.	408	+		=	643

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	256	+	206	=	462
2.	259	+	203	=	462
3.	269	+	245	=	514
4.	389	+	186	=	575
5.	419	+	345	=	764
6.	419	+	192	=	611
7.	461	+	294	=	755
8.	495	+	270	=	765
9.	212	+	109	=	321
10.	477	+	271	=	748

Oefening 2
1.	283	+	136	=	419
2.	256	+	187	=	443
3.	494	+	226	=	720
4.	411	+	380	=	791
5.	424	+	101	=	525
6.	438	+	307	=	745
7.	402	+	386	=	788
8.	427	+	369	=	796
9.	406	+	183	=	589
10.	380	+	294	=	674

Oefening 3
1.	472	+	408	=	880
2.	132	+	117	=	249
3.	471	+	118	=	589
4.	272	+	193	=	465
5.	280	+	225	=	505
6.	496	+	226	=	722
7.	196	+	116	=	312
8.	341	+	204	=	545
9.	325	+	112	=	437
10.	445	+	251	=	696

Oefening 4
1.	436	+	296	=	732
2.	450	+	207	=	657
3.	402	+	136	=	538
4.	333	+	277	=	610
5.	399	+	297	=	696
6.	225	+	202	=	427
7.	341	+	191	=	532
8.	282	+	268	=	550
9.	276	+	116	=	392
10.	408	+	235	=	643