Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	494	+		=	921
2.	772	+		=	1.191
3.	545	+		=	894
4.	627	+		=	914
5.	976	+		=	1.400
6.	549	+		=	820
7.	940	+		=	1.286
8.	757	+		=	1.436
9.	833	+		=	1.187
10.	719	+		=	1.089

Oefening 2
1.	863	+		=	1.504
2.	704	+		=	1.098
3.	950	+		=	1.721
4.	410	+		=	680
5.	701	+		=	1.271
6.	297	+		=	577
7.	633	+		=	1.115
8.	863	+		=	1.663
9.	721	+		=	1.321
10.	863	+		=	1.477

Oefening 3
1.	790	+		=	1.464
2.	788	+		=	1.507
3.	906	+		=	1.636
4.	992	+		=	1.656
5.	964	+		=	1.261
6.	995	+		=	1.230
7.	535	+		=	839
8.	972	+		=	1.449
9.	370	+		=	730
10.	784	+		=	1.250

Oefening 4
1.	316	+		=	516
2.	743	+		=	972
3.	887	+		=	1.525
4.	952	+		=	1.295
5.	387	+		=	616
6.	949	+		=	1.751
7.	803	+		=	1.010
8.	880	+		=	1.421
9.	915	+		=	1.266
10.	887	+		=	1.672

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	494	+	427	=	921
2.	772	+	419	=	1.191
3.	545	+	349	=	894
4.	627	+	287	=	914
5.	976	+	424	=	1.400
6.	549	+	271	=	820
7.	940	+	346	=	1.286
8.	757	+	679	=	1.436
9.	833	+	354	=	1.187
10.	719	+	370	=	1.089

Oefening 2
1.	863	+	641	=	1.504
2.	704	+	394	=	1.098
3.	950	+	771	=	1.721
4.	410	+	270	=	680
5.	701	+	570	=	1.271
6.	297	+	280	=	577
7.	633	+	482	=	1.115
8.	863	+	800	=	1.663
9.	721	+	600	=	1.321
10.	863	+	614	=	1.477

Oefening 3
1.	790	+	674	=	1.464
2.	788	+	719	=	1.507
3.	906	+	730	=	1.636
4.	992	+	664	=	1.656
5.	964	+	297	=	1.261
6.	995	+	235	=	1.230
7.	535	+	304	=	839
8.	972	+	477	=	1.449
9.	370	+	360	=	730
10.	784	+	466	=	1.250

Oefening 4
1.	316	+	200	=	516
2.	743	+	229	=	972
3.	887	+	638	=	1.525
4.	952	+	343	=	1.295
5.	387	+	229	=	616
6.	949	+	802	=	1.751
7.	803	+	207	=	1.010
8.	880	+	541	=	1.421
9.	915	+	351	=	1.266
10.	887	+	785	=	1.672