Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	335	+		=	519
2.	461	+		=	625
3.	436	+		=	681
4.	318	+		=	424
5.	307	+		=	493
6.	461	+		=	660
7.	497	+		=	666
8.	447	+		=	762
9.	179	+		=	308
10.	423	+		=	635

Oefening 2
1.	374	+		=	660
2.	438	+		=	837
3.	421	+		=	528
4.	139	+		=	248
5.	218	+		=	327
6.	407	+		=	683
7.	393	+		=	645
8.	353	+		=	623
9.	439	+		=	799
10.	363	+		=	560

Oefening 3
1.	443	+		=	627
2.	342	+		=	453
3.	188	+		=	340
4.	364	+		=	487
5.	440	+		=	775
6.	270	+		=	428
7.	385	+		=	485
8.	443	+		=	673
9.	411	+		=	641
10.	490	+		=	847

Oefening 4
1.	218	+		=	404
2.	380	+		=	524
3.	378	+		=	598
4.	474	+		=	621
5.	298	+		=	522
6.	341	+		=	498
7.	272	+		=	428
8.	303	+		=	493
9.	498	+		=	803
10.	416	+		=	721

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	335	+	184	=	519
2.	461	+	164	=	625
3.	436	+	245	=	681
4.	318	+	106	=	424
5.	307	+	186	=	493
6.	461	+	199	=	660
7.	497	+	169	=	666
8.	447	+	315	=	762
9.	179	+	129	=	308
10.	423	+	212	=	635

Oefening 2
1.	374	+	286	=	660
2.	438	+	399	=	837
3.	421	+	107	=	528
4.	139	+	109	=	248
5.	218	+	109	=	327
6.	407	+	276	=	683
7.	393	+	252	=	645
8.	353	+	270	=	623
9.	439	+	360	=	799
10.	363	+	197	=	560

Oefening 3
1.	443	+	184	=	627
2.	342	+	111	=	453
3.	188	+	152	=	340
4.	364	+	123	=	487
5.	440	+	335	=	775
6.	270	+	158	=	428
7.	385	+	100	=	485
8.	443	+	230	=	673
9.	411	+	230	=	641
10.	490	+	357	=	847

Oefening 4
1.	218	+	186	=	404
2.	380	+	144	=	524
3.	378	+	220	=	598
4.	474	+	147	=	621
5.	298	+	224	=	522
6.	341	+	157	=	498
7.	272	+	156	=	428
8.	303	+	190	=	493
9.	498	+	305	=	803
10.	416	+	305	=	721