Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	982	+		=	1.235
2.	645	+		=	1.084
3.	253	+		=	498
4.	902	+		=	1.664
5.	689	+		=	935
6.	747	+		=	1.232
7.	717	+		=	959
8.	617	+		=	914
9.	536	+		=	1.009
10.	494	+		=	743

Oefening 2
1.	337	+		=	549
2.	840	+		=	1.236
3.	441	+		=	786
4.	753	+		=	1.019
5.	954	+		=	1.354
6.	716	+		=	1.086
7.	672	+		=	1.330
8.	566	+		=	894
9.	363	+		=	706
10.	791	+		=	1.208

Oefening 3
1.	331	+		=	584
2.	366	+		=	626
3.	432	+		=	734
4.	690	+		=	1.288
5.	983	+		=	1.494
6.	570	+		=	1.044
7.	774	+		=	1.057
8.	674	+		=	973
9.	642	+		=	912
10.	993	+		=	1.658

Oefening 4
1.	708	+		=	1.371
2.	726	+		=	956
3.	656	+		=	1.019
4.	552	+		=	951
5.	709	+		=	979
6.	883	+		=	1.334
7.	786	+		=	1.460
8.	957	+		=	1.519
9.	782	+		=	1.440
10.	882	+		=	1.675

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	982	+	253	=	1.235
2.	645	+	439	=	1.084
3.	253	+	245	=	498
4.	902	+	762	=	1.664
5.	689	+	246	=	935
6.	747	+	485	=	1.232
7.	717	+	242	=	959
8.	617	+	297	=	914
9.	536	+	473	=	1.009
10.	494	+	249	=	743

Oefening 2
1.	337	+	212	=	549
2.	840	+	396	=	1.236
3.	441	+	345	=	786
4.	753	+	266	=	1.019
5.	954	+	400	=	1.354
6.	716	+	370	=	1.086
7.	672	+	658	=	1.330
8.	566	+	328	=	894
9.	363	+	343	=	706
10.	791	+	417	=	1.208

Oefening 3
1.	331	+	253	=	584
2.	366	+	260	=	626
3.	432	+	302	=	734
4.	690	+	598	=	1.288
5.	983	+	511	=	1.494
6.	570	+	474	=	1.044
7.	774	+	283	=	1.057
8.	674	+	299	=	973
9.	642	+	270	=	912
10.	993	+	665	=	1.658

Oefening 4
1.	708	+	663	=	1.371
2.	726	+	230	=	956
3.	656	+	363	=	1.019
4.	552	+	399	=	951
5.	709	+	270	=	979
6.	883	+	451	=	1.334
7.	786	+	674	=	1.460
8.	957	+	562	=	1.519
9.	782	+	658	=	1.440
10.	882	+	793	=	1.675