Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	641	+		=	944
2.	610	+		=	1.134
3.	822	+		=	1.625
4.	851	+		=	1.268
5.	947	+		=	1.432
6.	609	+		=	1.031
7.	411	+		=	756
8.	369	+		=	689
9.	526	+		=	732
10.	942	+		=	1.516

Oefening 2
1.	716	+		=	1.332
2.	402	+		=	625
3.	936	+		=	1.590
4.	937	+		=	1.163
5.	307	+		=	576
6.	442	+		=	656
7.	907	+		=	1.248
8.	703	+		=	1.175
9.	929	+		=	1.373
10.	701	+		=	903

Oefening 3
1.	822	+		=	1.037
2.	913	+		=	1.310
3.	351	+		=	639
4.	868	+		=	1.110
5.	648	+		=	982
6.	719	+		=	1.423
7.	913	+		=	1.445
8.	748	+		=	1.421
9.	702	+		=	995
10.	785	+		=	1.091

Oefening 4
1.	973	+		=	1.358
2.	482	+		=	812
3.	874	+		=	1.598
4.	953	+		=	1.361
5.	563	+		=	833
6.	609	+		=	900
7.	822	+		=	1.065
8.	826	+		=	1.043
9.	734	+		=	1.143
10.	423	+		=	841

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	641	+	303	=	944
2.	610	+	524	=	1.134
3.	822	+	803	=	1.625
4.	851	+	417	=	1.268
5.	947	+	485	=	1.432
6.	609	+	422	=	1.031
7.	411	+	345	=	756
8.	369	+	320	=	689
9.	526	+	206	=	732
10.	942	+	574	=	1.516

Oefening 2
1.	716	+	616	=	1.332
2.	402	+	223	=	625
3.	936	+	654	=	1.590
4.	937	+	226	=	1.163
5.	307	+	269	=	576
6.	442	+	214	=	656
7.	907	+	341	=	1.248
8.	703	+	472	=	1.175
9.	929	+	444	=	1.373
10.	701	+	202	=	903

Oefening 3
1.	822	+	215	=	1.037
2.	913	+	397	=	1.310
3.	351	+	288	=	639
4.	868	+	242	=	1.110
5.	648	+	334	=	982
6.	719	+	704	=	1.423
7.	913	+	532	=	1.445
8.	748	+	673	=	1.421
9.	702	+	293	=	995
10.	785	+	306	=	1.091

Oefening 4
1.	973	+	385	=	1.358
2.	482	+	330	=	812
3.	874	+	724	=	1.598
4.	953	+	408	=	1.361
5.	563	+	270	=	833
6.	609	+	291	=	900
7.	822	+	243	=	1.065
8.	826	+	217	=	1.043
9.	734	+	409	=	1.143
10.	423	+	418	=	841