Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	857	+		=	1.699
2.	812	+		=	1.059
3.	277	+		=	551
4.	680	+		=	906
5.	925	+		=	1.504
6.	623	+		=	833
7.	763	+		=	1.006
8.	867	+		=	1.385
9.	591	+		=	880
10.	903	+		=	1.358

Oefening 2
1.	985	+		=	1.548
2.	977	+		=	1.212
3.	712	+		=	1.334
4.	903	+		=	1.280
5.	468	+		=	752
6.	533	+		=	895
7.	769	+		=	1.362
8.	650	+		=	1.023
9.	990	+		=	1.332
10.	589	+		=	1.052

Oefening 3
1.	592	+		=	1.012
2.	845	+		=	1.156
3.	243	+		=	445
4.	992	+		=	1.526
5.	936	+		=	1.242
6.	931	+		=	1.692
7.	519	+		=	1.016
8.	693	+		=	910
9.	860	+		=	1.138
10.	782	+		=	1.480

Oefening 4
1.	587	+		=	1.125
2.	536	+		=	1.038
3.	479	+		=	751
4.	816	+		=	1.596
5.	301	+		=	579
6.	683	+		=	1.031
7.	659	+		=	1.055
8.	999	+		=	1.799
9.	806	+		=	1.485
10.	643	+		=	1.076

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	857	+	842	=	1.699
2.	812	+	247	=	1.059
3.	277	+	274	=	551
4.	680	+	226	=	906
5.	925	+	579	=	1.504
6.	623	+	210	=	833
7.	763	+	243	=	1.006
8.	867	+	518	=	1.385
9.	591	+	289	=	880
10.	903	+	455	=	1.358

Oefening 2
1.	985	+	563	=	1.548
2.	977	+	235	=	1.212
3.	712	+	622	=	1.334
4.	903	+	377	=	1.280
5.	468	+	284	=	752
6.	533	+	362	=	895
7.	769	+	593	=	1.362
8.	650	+	373	=	1.023
9.	990	+	342	=	1.332
10.	589	+	463	=	1.052

Oefening 3
1.	592	+	420	=	1.012
2.	845	+	311	=	1.156
3.	243	+	202	=	445
4.	992	+	534	=	1.526
5.	936	+	306	=	1.242
6.	931	+	761	=	1.692
7.	519	+	497	=	1.016
8.	693	+	217	=	910
9.	860	+	278	=	1.138
10.	782	+	698	=	1.480

Oefening 4
1.	587	+	538	=	1.125
2.	536	+	502	=	1.038
3.	479	+	272	=	751
4.	816	+	780	=	1.596
5.	301	+	278	=	579
6.	683	+	348	=	1.031
7.	659	+	396	=	1.055
8.	999	+	800	=	1.799
9.	806	+	679	=	1.485
10.	643	+	433	=	1.076