Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	730	+		=	1.401
2.	912	+		=	1.693
3.	835	+		=	1.445
4.	640	+		=	864
5.	931	+		=	1.842
6.	841	+		=	1.273
7.	697	+		=	1.157
8.	607	+		=	949
9.	888	+		=	1.723
10.	488	+		=	852

Oefening 2
1.	760	+		=	1.026
2.	907	+		=	1.798
3.	663	+		=	1.253
4.	788	+		=	1.550
5.	665	+		=	1.230
6.	573	+		=	1.022
7.	651	+		=	895
8.	621	+		=	1.058
9.	859	+		=	1.257
10.	830	+		=	1.400

Oefening 3
1.	698	+		=	928
2.	934	+		=	1.138
3.	222	+		=	430
4.	785	+		=	1.407
5.	905	+		=	1.481
6.	745	+		=	1.475
7.	606	+		=	919
8.	720	+		=	1.175
9.	659	+		=	900
10.	279	+		=	532

Oefening 4
1.	458	+		=	698
2.	861	+		=	1.230
3.	560	+		=	980
4.	991	+		=	1.287
5.	860	+		=	1.094
6.	382	+		=	648
7.	929	+		=	1.271
8.	768	+		=	1.356
9.	895	+		=	1.401
10.	675	+		=	1.125

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	730	+	671	=	1.401
2.	912	+	781	=	1.693
3.	835	+	610	=	1.445
4.	640	+	224	=	864
5.	931	+	911	=	1.842
6.	841	+	432	=	1.273
7.	697	+	460	=	1.157
8.	607	+	342	=	949
9.	888	+	835	=	1.723
10.	488	+	364	=	852

Oefening 2
1.	760	+	266	=	1.026
2.	907	+	891	=	1.798
3.	663	+	590	=	1.253
4.	788	+	762	=	1.550
5.	665	+	565	=	1.230
6.	573	+	449	=	1.022
7.	651	+	244	=	895
8.	621	+	437	=	1.058
9.	859	+	398	=	1.257
10.	830	+	570	=	1.400

Oefening 3
1.	698	+	230	=	928
2.	934	+	204	=	1.138
3.	222	+	208	=	430
4.	785	+	622	=	1.407
5.	905	+	576	=	1.481
6.	745	+	730	=	1.475
7.	606	+	313	=	919
8.	720	+	455	=	1.175
9.	659	+	241	=	900
10.	279	+	253	=	532

Oefening 4
1.	458	+	240	=	698
2.	861	+	369	=	1.230
3.	560	+	420	=	980
4.	991	+	296	=	1.287
5.	860	+	234	=	1.094
6.	382	+	266	=	648
7.	929	+	342	=	1.271
8.	768	+	588	=	1.356
9.	895	+	506	=	1.401
10.	675	+	450	=	1.125