Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	456	+		=	751
2.	328	+		=	617
3.	217	+		=	345
4.	352	+		=	524
5.	224	+		=	420
6.	365	+		=	475
7.	384	+		=	582
8.	393	+		=	664
9.	440	+		=	634
10.	342	+		=	475

Oefening 2
1.	278	+		=	556
2.	378	+		=	617
3.	349	+		=	630
4.	258	+		=	476
5.	413	+		=	541
6.	357	+		=	567
7.	386	+		=	539
8.	433	+		=	582
9.	425	+		=	604
10.	163	+		=	283

Oefening 3
1.	495	+		=	935
2.	451	+		=	830
3.	498	+		=	972
4.	427	+		=	635
5.	395	+		=	739
6.	223	+		=	421
7.	411	+		=	570
8.	269	+		=	512
9.	414	+		=	828
10.	441	+		=	812

Oefening 4
1.	267	+		=	465
2.	278	+		=	395
3.	352	+		=	699
4.	343	+		=	644
5.	453	+		=	681
6.	409	+		=	654
7.	452	+		=	682
8.	357	+		=	557
9.	337	+		=	571
10.	396	+		=	654

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	456	+	295	=	751
2.	328	+	289	=	617
3.	217	+	128	=	345
4.	352	+	172	=	524
5.	224	+	196	=	420
6.	365	+	110	=	475
7.	384	+	198	=	582
8.	393	+	271	=	664
9.	440	+	194	=	634
10.	342	+	133	=	475

Oefening 2
1.	278	+	278	=	556
2.	378	+	239	=	617
3.	349	+	281	=	630
4.	258	+	218	=	476
5.	413	+	128	=	541
6.	357	+	210	=	567
7.	386	+	153	=	539
8.	433	+	149	=	582
9.	425	+	179	=	604
10.	163	+	120	=	283

Oefening 3
1.	495	+	440	=	935
2.	451	+	379	=	830
3.	498	+	474	=	972
4.	427	+	208	=	635
5.	395	+	344	=	739
6.	223	+	198	=	421
7.	411	+	159	=	570
8.	269	+	243	=	512
9.	414	+	414	=	828
10.	441	+	371	=	812

Oefening 4
1.	267	+	198	=	465
2.	278	+	117	=	395
3.	352	+	347	=	699
4.	343	+	301	=	644
5.	453	+	228	=	681
6.	409	+	245	=	654
7.	452	+	230	=	682
8.	357	+	200	=	557
9.	337	+	234	=	571
10.	396	+	258	=	654