Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	551	+		=	777
2.	694	+		=	1.325
3.	881	+		=	1.503
4.	927	+		=	1.367
5.	781	+		=	1.050
6.	835	+		=	1.190
7.	885	+		=	1.330
8.	880	+		=	1.681
9.	818	+		=	1.149
10.	941	+		=	1.530

Oefening 2
1.	566	+		=	821
2.	801	+		=	1.338
3.	371	+		=	643
4.	927	+		=	1.543
5.	903	+		=	1.797
6.	734	+		=	1.335
7.	749	+		=	1.475
8.	630	+		=	1.095
9.	863	+		=	1.202
10.	890	+		=	1.302

Oefening 3
1.	442	+		=	682
2.	617	+		=	950
3.	880	+		=	1.515
4.	890	+		=	1.560
5.	962	+		=	1.299
6.	751	+		=	1.496
7.	984	+		=	1.567
8.	749	+		=	1.139
9.	843	+		=	1.669
10.	307	+		=	590

Oefening 4
1.	859	+		=	1.265
2.	810	+		=	1.354
3.	829	+		=	1.049
4.	552	+		=	1.015
5.	530	+		=	766
6.	608	+		=	895
7.	263	+		=	470
8.	838	+		=	1.353
9.	823	+		=	1.131
10.	857	+		=	1.424

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	551	+	226	=	777
2.	694	+	631	=	1.325
3.	881	+	622	=	1.503
4.	927	+	440	=	1.367
5.	781	+	269	=	1.050
6.	835	+	355	=	1.190
7.	885	+	445	=	1.330
8.	880	+	801	=	1.681
9.	818	+	331	=	1.149
10.	941	+	589	=	1.530

Oefening 2
1.	566	+	255	=	821
2.	801	+	537	=	1.338
3.	371	+	272	=	643
4.	927	+	616	=	1.543
5.	903	+	894	=	1.797
6.	734	+	601	=	1.335
7.	749	+	726	=	1.475
8.	630	+	465	=	1.095
9.	863	+	339	=	1.202
10.	890	+	412	=	1.302

Oefening 3
1.	442	+	240	=	682
2.	617	+	333	=	950
3.	880	+	635	=	1.515
4.	890	+	670	=	1.560
5.	962	+	337	=	1.299
6.	751	+	745	=	1.496
7.	984	+	583	=	1.567
8.	749	+	390	=	1.139
9.	843	+	826	=	1.669
10.	307	+	283	=	590

Oefening 4
1.	859	+	406	=	1.265
2.	810	+	544	=	1.354
3.	829	+	220	=	1.049
4.	552	+	463	=	1.015
5.	530	+	236	=	766
6.	608	+	287	=	895
7.	263	+	207	=	470
8.	838	+	515	=	1.353
9.	823	+	308	=	1.131
10.	857	+	567	=	1.424