Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	770	+		=	1.353
2.	378	+		=	606
3.	906	+		=	1.274
4.	521	+		=	819
5.	829	+		=	1.385
6.	570	+		=	993
7.	732	+		=	1.446
8.	384	+		=	688
9.	369	+		=	586
10.	936	+		=	1.488

Oefening 2
1.	456	+		=	821
2.	983	+		=	1.747
3.	775	+		=	998
4.	621	+		=	1.218
5.	636	+		=	1.269
6.	439	+		=	710
7.	607	+		=	940
8.	532	+		=	886
9.	581	+		=	825
10.	551	+		=	911

Oefening 3
1.	545	+		=	1.041
2.	520	+		=	797
3.	543	+		=	995
4.	890	+		=	1.290
5.	403	+		=	713
6.	673	+		=	1.341
7.	491	+		=	891
8.	807	+		=	1.180
9.	978	+		=	1.216
10.	459	+		=	781

Oefening 4
1.	469	+		=	789
2.	843	+		=	1.477
3.	971	+		=	1.210
4.	912	+		=	1.233
5.	827	+		=	1.448
6.	857	+		=	1.335
7.	934	+		=	1.391
8.	876	+		=	1.114
9.	300	+		=	513
10.	921	+		=	1.154

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	770	+	583	=	1.353
2.	378	+	228	=	606
3.	906	+	368	=	1.274
4.	521	+	298	=	819
5.	829	+	556	=	1.385
6.	570	+	423	=	993
7.	732	+	714	=	1.446
8.	384	+	304	=	688
9.	369	+	217	=	586
10.	936	+	552	=	1.488

Oefening 2
1.	456	+	365	=	821
2.	983	+	764	=	1.747
3.	775	+	223	=	998
4.	621	+	597	=	1.218
5.	636	+	633	=	1.269
6.	439	+	271	=	710
7.	607	+	333	=	940
8.	532	+	354	=	886
9.	581	+	244	=	825
10.	551	+	360	=	911

Oefening 3
1.	545	+	496	=	1.041
2.	520	+	277	=	797
3.	543	+	452	=	995
4.	890	+	400	=	1.290
5.	403	+	310	=	713
6.	673	+	668	=	1.341
7.	491	+	400	=	891
8.	807	+	373	=	1.180
9.	978	+	238	=	1.216
10.	459	+	322	=	781

Oefening 4
1.	469	+	320	=	789
2.	843	+	634	=	1.477
3.	971	+	239	=	1.210
4.	912	+	321	=	1.233
5.	827	+	621	=	1.448
6.	857	+	478	=	1.335
7.	934	+	457	=	1.391
8.	876	+	238	=	1.114
9.	300	+	213	=	513
10.	921	+	233	=	1.154