Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	257	+		=	513
2.	663	+		=	1.218
3.	553	+		=	810
4.	616	+		=	1.117
5.	828	+		=	1.186
6.	393	+		=	633
7.	841	+		=	1.559
8.	814	+		=	1.180
9.	958	+		=	1.275
10.	974	+		=	1.370

Oefening 2
1.	506	+		=	809
2.	735	+		=	1.252
3.	569	+		=	1.077
4.	999	+		=	1.705
5.	996	+		=	1.227
6.	922	+		=	1.795
7.	800	+		=	1.000
8.	939	+		=	1.710
9.	682	+		=	1.179
10.	434	+		=	818

Oefening 3
1.	305	+		=	565
2.	661	+		=	1.084
3.	718	+		=	1.402
4.	658	+		=	965
5.	709	+		=	1.049
6.	902	+		=	1.501
7.	366	+		=	698
8.	934	+		=	1.215
9.	915	+		=	1.413
10.	204	+		=	406

Oefening 4
1.	844	+		=	1.311
2.	601	+		=	1.168
3.	901	+		=	1.365
4.	505	+		=	723
5.	754	+		=	967
6.	679	+		=	1.300
7.	592	+		=	897
8.	547	+		=	904
9.	766	+		=	1.008
10.	663	+		=	1.018

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	257	+	256	=	513
2.	663	+	555	=	1.218
3.	553	+	257	=	810
4.	616	+	501	=	1.117
5.	828	+	358	=	1.186
6.	393	+	240	=	633
7.	841	+	718	=	1.559
8.	814	+	366	=	1.180
9.	958	+	317	=	1.275
10.	974	+	396	=	1.370

Oefening 2
1.	506	+	303	=	809
2.	735	+	517	=	1.252
3.	569	+	508	=	1.077
4.	999	+	706	=	1.705
5.	996	+	231	=	1.227
6.	922	+	873	=	1.795
7.	800	+	200	=	1.000
8.	939	+	771	=	1.710
9.	682	+	497	=	1.179
10.	434	+	384	=	818

Oefening 3
1.	305	+	260	=	565
2.	661	+	423	=	1.084
3.	718	+	684	=	1.402
4.	658	+	307	=	965
5.	709	+	340	=	1.049
6.	902	+	599	=	1.501
7.	366	+	332	=	698
8.	934	+	281	=	1.215
9.	915	+	498	=	1.413
10.	204	+	202	=	406

Oefening 4
1.	844	+	467	=	1.311
2.	601	+	567	=	1.168
3.	901	+	464	=	1.365
4.	505	+	218	=	723
5.	754	+	213	=	967
6.	679	+	621	=	1.300
7.	592	+	305	=	897
8.	547	+	357	=	904
9.	766	+	242	=	1.008
10.	663	+	355	=	1.018