Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	326	+		=	612
2.	929	+		=	1.216
3.	876	+		=	1.109
4.	900	+		=	1.359
5.	775	+		=	1.428
6.	987	+		=	1.791
7.	815	+		=	1.132
8.	724	+		=	1.420
9.	794	+		=	1.173
10.	647	+		=	1.027

Oefening 2
1.	936	+		=	1.505
2.	623	+		=	1.045
3.	999	+		=	1.312
4.	446	+		=	833
5.	844	+		=	1.539
6.	766	+		=	1.214
7.	940	+		=	1.335
8.	842	+		=	1.525
9.	930	+		=	1.618
10.	396	+		=	641

Oefening 3
1.	889	+		=	1.105
2.	717	+		=	1.243
3.	999	+		=	1.423
4.	959	+		=	1.860
5.	807	+		=	1.257
6.	993	+		=	1.795
7.	648	+		=	1.235
8.	644	+		=	1.166
9.	432	+		=	645
10.	319	+		=	625

Oefening 4
1.	758	+		=	1.405
2.	935	+		=	1.669
3.	370	+		=	577
4.	692	+		=	959
5.	831	+		=	1.536
6.	955	+		=	1.444
7.	533	+		=	818
8.	854	+		=	1.229
9.	815	+		=	1.342
10.	372	+		=	650

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	326	+	286	=	612
2.	929	+	287	=	1.216
3.	876	+	233	=	1.109
4.	900	+	459	=	1.359
5.	775	+	653	=	1.428
6.	987	+	804	=	1.791
7.	815	+	317	=	1.132
8.	724	+	696	=	1.420
9.	794	+	379	=	1.173
10.	647	+	380	=	1.027

Oefening 2
1.	936	+	569	=	1.505
2.	623	+	422	=	1.045
3.	999	+	313	=	1.312
4.	446	+	387	=	833
5.	844	+	695	=	1.539
6.	766	+	448	=	1.214
7.	940	+	395	=	1.335
8.	842	+	683	=	1.525
9.	930	+	688	=	1.618
10.	396	+	245	=	641

Oefening 3
1.	889	+	216	=	1.105
2.	717	+	526	=	1.243
3.	999	+	424	=	1.423
4.	959	+	901	=	1.860
5.	807	+	450	=	1.257
6.	993	+	802	=	1.795
7.	648	+	587	=	1.235
8.	644	+	522	=	1.166
9.	432	+	213	=	645
10.	319	+	306	=	625

Oefening 4
1.	758	+	647	=	1.405
2.	935	+	734	=	1.669
3.	370	+	207	=	577
4.	692	+	267	=	959
5.	831	+	705	=	1.536
6.	955	+	489	=	1.444
7.	533	+	285	=	818
8.	854	+	375	=	1.229
9.	815	+	527	=	1.342
10.	372	+	278	=	650