Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	670	+		=	906
2.	899	+		=	1.466
3.	643	+		=	885
4.	536	+		=	990
5.	639	+		=	902
6.	939	+		=	1.795
7.	432	+		=	856
8.	968	+		=	1.394
9.	1.000	+		=	1.386
10.	613	+		=	1.171

Oefening 2
1.	818	+		=	1.205
2.	973	+		=	1.425
3.	971	+		=	1.233
4.	684	+		=	1.155
5.	706	+		=	975
6.	568	+		=	1.085
7.	583	+		=	893
8.	599	+		=	805
9.	690	+		=	1.024
10.	714	+		=	964

Oefening 3
1.	980	+		=	1.552
2.	871	+		=	1.115
3.	974	+		=	1.713
4.	657	+		=	1.225
5.	918	+		=	1.497
6.	823	+		=	1.570
7.	287	+		=	500
8.	777	+		=	1.448
9.	956	+		=	1.851
10.	667	+		=	1.283

Oefening 4
1.	408	+		=	740
2.	571	+		=	969
3.	902	+		=	1.769
4.	702	+		=	916
5.	970	+		=	1.763
6.	716	+		=	1.331
7.	824	+		=	1.414
8.	909	+		=	1.345
9.	381	+		=	618
10.	343	+		=	566

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	670	+	236	=	906
2.	899	+	567	=	1.466
3.	643	+	242	=	885
4.	536	+	454	=	990
5.	639	+	263	=	902
6.	939	+	856	=	1.795
7.	432	+	424	=	856
8.	968	+	426	=	1.394
9.	1.000	+	386	=	1.386
10.	613	+	558	=	1.171

Oefening 2
1.	818	+	387	=	1.205
2.	973	+	452	=	1.425
3.	971	+	262	=	1.233
4.	684	+	471	=	1.155
5.	706	+	269	=	975
6.	568	+	517	=	1.085
7.	583	+	310	=	893
8.	599	+	206	=	805
9.	690	+	334	=	1.024
10.	714	+	250	=	964

Oefening 3
1.	980	+	572	=	1.552
2.	871	+	244	=	1.115
3.	974	+	739	=	1.713
4.	657	+	568	=	1.225
5.	918	+	579	=	1.497
6.	823	+	747	=	1.570
7.	287	+	213	=	500
8.	777	+	671	=	1.448
9.	956	+	895	=	1.851
10.	667	+	616	=	1.283

Oefening 4
1.	408	+	332	=	740
2.	571	+	398	=	969
3.	902	+	867	=	1.769
4.	702	+	214	=	916
5.	970	+	793	=	1.763
6.	716	+	615	=	1.331
7.	824	+	590	=	1.414
8.	909	+	436	=	1.345
9.	381	+	237	=	618
10.	343	+	223	=	566