Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	911	+		=	1.111
2.	935	+		=	1.747
3.	809	+		=	1.434
4.	684	+		=	1.140
5.	282	+		=	542
6.	1.000	+		=	1.270
7.	910	+		=	1.549
8.	661	+		=	954
9.	704	+		=	932
10.	987	+		=	1.402

Oefening 2
1.	851	+		=	1.116
2.	536	+		=	940
3.	814	+		=	1.148
4.	727	+		=	1.400
5.	921	+		=	1.154
6.	922	+		=	1.577
7.	415	+		=	709
8.	944	+		=	1.226
9.	956	+		=	1.177
10.	797	+		=	1.361

Oefening 3
1.	835	+		=	1.247
2.	712	+		=	1.363
3.	914	+		=	1.447
4.	544	+		=	1.017
5.	971	+		=	1.447
6.	894	+		=	1.352
7.	709	+		=	1.143
8.	809	+		=	1.347
9.	616	+		=	1.172
10.	993	+		=	1.347

Oefening 4
1.	927	+		=	1.446
2.	771	+		=	1.260
3.	629	+		=	849
4.	430	+		=	747
5.	697	+		=	1.338
6.	756	+		=	1.268
7.	696	+		=	1.241
8.	823	+		=	1.221
9.	814	+		=	1.219
10.	898	+		=	1.648

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	911	+	200	=	1.111
2.	935	+	812	=	1.747
3.	809	+	625	=	1.434
4.	684	+	456	=	1.140
5.	282	+	260	=	542
6.	1.000	+	270	=	1.270
7.	910	+	639	=	1.549
8.	661	+	293	=	954
9.	704	+	228	=	932
10.	987	+	415	=	1.402

Oefening 2
1.	851	+	265	=	1.116
2.	536	+	404	=	940
3.	814	+	334	=	1.148
4.	727	+	673	=	1.400
5.	921	+	233	=	1.154
6.	922	+	655	=	1.577
7.	415	+	294	=	709
8.	944	+	282	=	1.226
9.	956	+	221	=	1.177
10.	797	+	564	=	1.361

Oefening 3
1.	835	+	412	=	1.247
2.	712	+	651	=	1.363
3.	914	+	533	=	1.447
4.	544	+	473	=	1.017
5.	971	+	476	=	1.447
6.	894	+	458	=	1.352
7.	709	+	434	=	1.143
8.	809	+	538	=	1.347
9.	616	+	556	=	1.172
10.	993	+	354	=	1.347

Oefening 4
1.	927	+	519	=	1.446
2.	771	+	489	=	1.260
3.	629	+	220	=	849
4.	430	+	317	=	747
5.	697	+	641	=	1.338
6.	756	+	512	=	1.268
7.	696	+	545	=	1.241
8.	823	+	398	=	1.221
9.	814	+	405	=	1.219
10.	898	+	750	=	1.648