Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	575	+		=	1.109
2.	362	+		=	582
3.	968	+		=	1.280
4.	812	+		=	1.564
5.	815	+		=	1.212
6.	926	+		=	1.682
7.	301	+		=	596
8.	902	+		=	1.333
9.	941	+		=	1.340
10.	676	+		=	1.131

Oefening 2
1.	472	+		=	860
2.	642	+		=	1.208
3.	869	+		=	1.348
4.	648	+		=	924
5.	902	+		=	1.748
6.	831	+		=	1.054
7.	491	+		=	965
8.	624	+		=	900
9.	787	+		=	1.502
10.	474	+		=	726

Oefening 3
1.	700	+		=	1.134
2.	514	+		=	885
3.	923	+		=	1.841
4.	869	+		=	1.217
5.	793	+		=	1.261
6.	858	+		=	1.235
7.	574	+		=	913
8.	535	+		=	834
9.	724	+		=	1.394
10.	543	+		=	816

Oefening 4
1.	887	+		=	1.697
2.	733	+		=	1.321
3.	659	+		=	1.057
4.	1.000	+		=	1.300
5.	638	+		=	1.073
6.	942	+		=	1.878
7.	543	+		=	933
8.	576	+		=	1.079
9.	850	+		=	1.144
10.	771	+		=	1.150

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	575	+	534	=	1.109
2.	362	+	220	=	582
3.	968	+	312	=	1.280
4.	812	+	752	=	1.564
5.	815	+	397	=	1.212
6.	926	+	756	=	1.682
7.	301	+	295	=	596
8.	902	+	431	=	1.333
9.	941	+	399	=	1.340
10.	676	+	455	=	1.131

Oefening 2
1.	472	+	388	=	860
2.	642	+	566	=	1.208
3.	869	+	479	=	1.348
4.	648	+	276	=	924
5.	902	+	846	=	1.748
6.	831	+	223	=	1.054
7.	491	+	474	=	965
8.	624	+	276	=	900
9.	787	+	715	=	1.502
10.	474	+	252	=	726

Oefening 3
1.	700	+	434	=	1.134
2.	514	+	371	=	885
3.	923	+	918	=	1.841
4.	869	+	348	=	1.217
5.	793	+	468	=	1.261
6.	858	+	377	=	1.235
7.	574	+	339	=	913
8.	535	+	299	=	834
9.	724	+	670	=	1.394
10.	543	+	273	=	816

Oefening 4
1.	887	+	810	=	1.697
2.	733	+	588	=	1.321
3.	659	+	398	=	1.057
4.	1.000	+	300	=	1.300
5.	638	+	435	=	1.073
6.	942	+	936	=	1.878
7.	543	+	390	=	933
8.	576	+	503	=	1.079
9.	850	+	294	=	1.144
10.	771	+	379	=	1.150