Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	895	+		=	1.559
2.	666	+		=	1.239
3.	454	+		=	804
4.	918	+		=	1.408
5.	830	+		=	1.356
6.	992	+		=	1.215
7.	830	+		=	1.303
8.	917	+		=	1.580
9.	969	+		=	1.440
10.	489	+		=	970

Oefening 2
1.	676	+		=	1.010
2.	856	+		=	1.372
3.	455	+		=	871
4.	680	+		=	1.250
5.	510	+		=	894
6.	686	+		=	1.109
7.	908	+		=	1.585
8.	637	+		=	1.123
9.	808	+		=	1.031
10.	461	+		=	838

Oefening 3
1.	804	+		=	1.410
2.	967	+		=	1.251
3.	725	+		=	999
4.	733	+		=	1.242
5.	824	+		=	1.028
6.	997	+		=	1.286
7.	411	+		=	732
8.	606	+		=	856
9.	736	+		=	1.333
10.	885	+		=	1.752

Oefening 4
1.	618	+		=	1.052
2.	904	+		=	1.137
3.	915	+		=	1.292
4.	225	+		=	437
5.	976	+		=	1.308
6.	749	+		=	1.330
7.	921	+		=	1.165
8.	545	+		=	817
9.	974	+		=	1.723
10.	978	+		=	1.736

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	895	+	664	=	1.559
2.	666	+	573	=	1.239
3.	454	+	350	=	804
4.	918	+	490	=	1.408
5.	830	+	526	=	1.356
6.	992	+	223	=	1.215
7.	830	+	473	=	1.303
8.	917	+	663	=	1.580
9.	969	+	471	=	1.440
10.	489	+	481	=	970

Oefening 2
1.	676	+	334	=	1.010
2.	856	+	516	=	1.372
3.	455	+	416	=	871
4.	680	+	570	=	1.250
5.	510	+	384	=	894
6.	686	+	423	=	1.109
7.	908	+	677	=	1.585
8.	637	+	486	=	1.123
9.	808	+	223	=	1.031
10.	461	+	377	=	838

Oefening 3
1.	804	+	606	=	1.410
2.	967	+	284	=	1.251
3.	725	+	274	=	999
4.	733	+	509	=	1.242
5.	824	+	204	=	1.028
6.	997	+	289	=	1.286
7.	411	+	321	=	732
8.	606	+	250	=	856
9.	736	+	597	=	1.333
10.	885	+	867	=	1.752

Oefening 4
1.	618	+	434	=	1.052
2.	904	+	233	=	1.137
3.	915	+	377	=	1.292
4.	225	+	212	=	437
5.	976	+	332	=	1.308
6.	749	+	581	=	1.330
7.	921	+	244	=	1.165
8.	545	+	272	=	817
9.	974	+	749	=	1.723
10.	978	+	758	=	1.736