Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	746	+		=	1.146
2.	782	+		=	1.031
3.	784	+		=	1.183
4.	421	+		=	770
5.	741	+		=	1.390
6.	990	+		=	1.523
7.	584	+		=	1.079
8.	867	+		=	1.656
9.	846	+		=	1.217
10.	930	+		=	1.325

Oefening 2
1.	409	+		=	754
2.	642	+		=	1.251
3.	992	+		=	1.292
4.	978	+		=	1.630
5.	994	+		=	1.271
6.	623	+		=	969
7.	512	+		=	1.007
8.	571	+		=	1.032
9.	664	+		=	1.050
10.	531	+		=	1.004

Oefening 3
1.	352	+		=	571
2.	716	+		=	1.231
3.	631	+		=	1.166
4.	795	+		=	1.288
5.	965	+		=	1.310
6.	786	+		=	1.452
7.	914	+		=	1.402
8.	501	+		=	876
9.	925	+		=	1.602
10.	609	+		=	897

Oefening 4
1.	908	+		=	1.311
2.	995	+		=	1.434
3.	593	+		=	907
4.	757	+		=	1.298
5.	990	+		=	1.239
6.	786	+		=	1.260
7.	641	+		=	1.069
8.	646	+		=	990
9.	388	+		=	767
10.	886	+		=	1.378

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	746	+	400	=	1.146
2.	782	+	249	=	1.031
3.	784	+	399	=	1.183
4.	421	+	349	=	770
5.	741	+	649	=	1.390
6.	990	+	533	=	1.523
7.	584	+	495	=	1.079
8.	867	+	789	=	1.656
9.	846	+	371	=	1.217
10.	930	+	395	=	1.325

Oefening 2
1.	409	+	345	=	754
2.	642	+	609	=	1.251
3.	992	+	300	=	1.292
4.	978	+	652	=	1.630
5.	994	+	277	=	1.271
6.	623	+	346	=	969
7.	512	+	495	=	1.007
8.	571	+	461	=	1.032
9.	664	+	386	=	1.050
10.	531	+	473	=	1.004

Oefening 3
1.	352	+	219	=	571
2.	716	+	515	=	1.231
3.	631	+	535	=	1.166
4.	795	+	493	=	1.288
5.	965	+	345	=	1.310
6.	786	+	666	=	1.452
7.	914	+	488	=	1.402
8.	501	+	375	=	876
9.	925	+	677	=	1.602
10.	609	+	288	=	897

Oefening 4
1.	908	+	403	=	1.311
2.	995	+	439	=	1.434
3.	593	+	314	=	907
4.	757	+	541	=	1.298
5.	990	+	249	=	1.239
6.	786	+	474	=	1.260
7.	641	+	428	=	1.069
8.	646	+	344	=	990
9.	388	+	379	=	767
10.	886	+	492	=	1.378