Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	683	+		=	1.136
2.	973	+		=	1.659
3.	629	+		=	875
4.	620	+		=	1.098
5.	492	+		=	723
6.	430	+		=	695
7.	749	+		=	984
8.	288	+		=	512
9.	722	+		=	1.230
10.	572	+		=	1.015

Oefening 2
1.	887	+		=	1.449
2.	951	+		=	1.633
3.	567	+		=	783
4.	912	+		=	1.314
5.	536	+		=	861
6.	739	+		=	1.307
7.	808	+		=	1.012
8.	892	+		=	1.360
9.	613	+		=	971
10.	560	+		=	896

Oefening 3
1.	710	+		=	1.259
2.	604	+		=	1.136
3.	909	+		=	1.194
4.	460	+		=	901
5.	646	+		=	1.289
6.	469	+		=	935
7.	795	+		=	1.133
8.	495	+		=	820
9.	618	+		=	820
10.	722	+		=	1.338

Oefening 4
1.	489	+		=	717
2.	921	+		=	1.678
3.	964	+		=	1.648
4.	920	+		=	1.530
5.	905	+		=	1.519
6.	987	+		=	1.747
7.	900	+		=	1.510
8.	800	+		=	1.281
9.	707	+		=	953
10.	965	+		=	1.494

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	683	+	453	=	1.136
2.	973	+	686	=	1.659
3.	629	+	246	=	875
4.	620	+	478	=	1.098
5.	492	+	231	=	723
6.	430	+	265	=	695
7.	749	+	235	=	984
8.	288	+	224	=	512
9.	722	+	508	=	1.230
10.	572	+	443	=	1.015

Oefening 2
1.	887	+	562	=	1.449
2.	951	+	682	=	1.633
3.	567	+	216	=	783
4.	912	+	402	=	1.314
5.	536	+	325	=	861
6.	739	+	568	=	1.307
7.	808	+	204	=	1.012
8.	892	+	468	=	1.360
9.	613	+	358	=	971
10.	560	+	336	=	896

Oefening 3
1.	710	+	549	=	1.259
2.	604	+	532	=	1.136
3.	909	+	285	=	1.194
4.	460	+	441	=	901
5.	646	+	643	=	1.289
6.	469	+	466	=	935
7.	795	+	338	=	1.133
8.	495	+	325	=	820
9.	618	+	202	=	820
10.	722	+	616	=	1.338

Oefening 4
1.	489	+	228	=	717
2.	921	+	757	=	1.678
3.	964	+	684	=	1.648
4.	920	+	610	=	1.530
5.	905	+	614	=	1.519
6.	987	+	760	=	1.747
7.	900	+	610	=	1.510
8.	800	+	481	=	1.281
9.	707	+	246	=	953
10.	965	+	529	=	1.494