Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	583	+		=	854
2.	481	+		=	749
3.	792	+		=	1.090
4.	900	+		=	1.785
5.	872	+		=	1.580
6.	990	+		=	1.809
7.	700	+		=	1.342
8.	633	+		=	993
9.	638	+		=	1.248
10.	684	+		=	906

Oefening 2
1.	977	+		=	1.953
2.	486	+		=	868
3.	768	+		=	1.417
4.	542	+		=	873
5.	900	+		=	1.666
6.	799	+		=	1.236
7.	826	+		=	1.187
8.	598	+		=	1.093
9.	581	+		=	781
10.	889	+		=	1.162

Oefening 3
1.	887	+		=	1.422
2.	429	+		=	633
3.	677	+		=	1.062
4.	474	+		=	811
5.	745	+		=	1.253
6.	405	+		=	693
7.	950	+		=	1.601
8.	692	+		=	944
9.	727	+		=	1.391
10.	772	+		=	1.023

Oefening 4
1.	977	+		=	1.806
2.	824	+		=	1.067
3.	426	+		=	694
4.	264	+		=	490
5.	953	+		=	1.293
6.	890	+		=	1.341
7.	963	+		=	1.402
8.	895	+		=	1.535
9.	742	+		=	956
10.	248	+		=	449

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	583	+	271	=	854
2.	481	+	268	=	749
3.	792	+	298	=	1.090
4.	900	+	885	=	1.785
5.	872	+	708	=	1.580
6.	990	+	819	=	1.809
7.	700	+	642	=	1.342
8.	633	+	360	=	993
9.	638	+	610	=	1.248
10.	684	+	222	=	906

Oefening 2
1.	977	+	976	=	1.953
2.	486	+	382	=	868
3.	768	+	649	=	1.417
4.	542	+	331	=	873
5.	900	+	766	=	1.666
6.	799	+	437	=	1.236
7.	826	+	361	=	1.187
8.	598	+	495	=	1.093
9.	581	+	200	=	781
10.	889	+	273	=	1.162

Oefening 3
1.	887	+	535	=	1.422
2.	429	+	204	=	633
3.	677	+	385	=	1.062
4.	474	+	337	=	811
5.	745	+	508	=	1.253
6.	405	+	288	=	693
7.	950	+	651	=	1.601
8.	692	+	252	=	944
9.	727	+	664	=	1.391
10.	772	+	251	=	1.023

Oefening 4
1.	977	+	829	=	1.806
2.	824	+	243	=	1.067
3.	426	+	268	=	694
4.	264	+	226	=	490
5.	953	+	340	=	1.293
6.	890	+	451	=	1.341
7.	963	+	439	=	1.402
8.	895	+	640	=	1.535
9.	742	+	214	=	956
10.	248	+	201	=	449