Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	478	+		=	848
2.	681	+		=	1.252
3.	546	+		=	957
4.	602	+		=	924
5.	960	+		=	1.440
6.	487	+		=	762
7.	841	+		=	1.171
8.	554	+		=	1.018
9.	613	+		=	858
10.	910	+		=	1.288

Oefening 2
1.	608	+		=	916
2.	713	+		=	1.394
3.	820	+		=	1.052
4.	933	+		=	1.289
5.	853	+		=	1.668
6.	927	+		=	1.388
7.	662	+		=	1.179
8.	782	+		=	1.061
9.	905	+		=	1.284
10.	527	+		=	927

Oefening 3
1.	854	+		=	1.245
2.	838	+		=	1.054
3.	697	+		=	947
4.	922	+		=	1.594
5.	902	+		=	1.437
6.	648	+		=	1.258
7.	856	+		=	1.130
8.	798	+		=	1.221
9.	814	+		=	1.286
10.	975	+		=	1.675

Oefening 4
1.	943	+		=	1.323
2.	321	+		=	619
3.	587	+		=	1.134
4.	598	+		=	1.030
5.	801	+		=	1.132
6.	759	+		=	1.401
7.	470	+		=	796
8.	887	+		=	1.389
9.	935	+		=	1.310
10.	997	+		=	1.312

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	478	+	370	=	848
2.	681	+	571	=	1.252
3.	546	+	411	=	957
4.	602	+	322	=	924
5.	960	+	480	=	1.440
6.	487	+	275	=	762
7.	841	+	330	=	1.171
8.	554	+	464	=	1.018
9.	613	+	245	=	858
10.	910	+	378	=	1.288

Oefening 2
1.	608	+	308	=	916
2.	713	+	681	=	1.394
3.	820	+	232	=	1.052
4.	933	+	356	=	1.289
5.	853	+	815	=	1.668
6.	927	+	461	=	1.388
7.	662	+	517	=	1.179
8.	782	+	279	=	1.061
9.	905	+	379	=	1.284
10.	527	+	400	=	927

Oefening 3
1.	854	+	391	=	1.245
2.	838	+	216	=	1.054
3.	697	+	250	=	947
4.	922	+	672	=	1.594
5.	902	+	535	=	1.437
6.	648	+	610	=	1.258
7.	856	+	274	=	1.130
8.	798	+	423	=	1.221
9.	814	+	472	=	1.286
10.	975	+	700	=	1.675

Oefening 4
1.	943	+	380	=	1.323
2.	321	+	298	=	619
3.	587	+	547	=	1.134
4.	598	+	432	=	1.030
5.	801	+	331	=	1.132
6.	759	+	642	=	1.401
7.	470	+	326	=	796
8.	887	+	502	=	1.389
9.	935	+	375	=	1.310
10.	997	+	315	=	1.312