Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	489	+		=	873
2.	901	+		=	1.618
3.	786	+		=	1.193
4.	662	+		=	1.223
5.	840	+		=	1.079
6.	932	+		=	1.826
7.	961	+		=	1.528
8.	848	+		=	1.228
9.	941	+		=	1.184
10.	688	+		=	1.238

Oefening 2
1.	936	+		=	1.740
2.	943	+		=	1.842
3.	814	+		=	1.454
4.	698	+		=	1.235
5.	610	+		=	969
6.	939	+		=	1.267
7.	537	+		=	966
8.	860	+		=	1.064
9.	967	+		=	1.823
10.	875	+		=	1.090

Oefening 3
1.	781	+		=	1.228
2.	803	+		=	1.389
3.	577	+		=	853
4.	648	+		=	1.261
5.	535	+		=	799
6.	459	+		=	816
7.	768	+		=	1.177
8.	983	+		=	1.883
9.	659	+		=	1.091
10.	306	+		=	553

Oefening 4
1.	533	+		=	801
2.	776	+		=	1.310
3.	529	+		=	774
4.	982	+		=	1.476
5.	505	+		=	980
6.	616	+		=	980
7.	993	+		=	1.828
8.	845	+		=	1.541
9.	580	+		=	898
10.	756	+		=	1.398

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	489	+	384	=	873
2.	901	+	717	=	1.618
3.	786	+	407	=	1.193
4.	662	+	561	=	1.223
5.	840	+	239	=	1.079
6.	932	+	894	=	1.826
7.	961	+	567	=	1.528
8.	848	+	380	=	1.228
9.	941	+	243	=	1.184
10.	688	+	550	=	1.238

Oefening 2
1.	936	+	804	=	1.740
2.	943	+	899	=	1.842
3.	814	+	640	=	1.454
4.	698	+	537	=	1.235
5.	610	+	359	=	969
6.	939	+	328	=	1.267
7.	537	+	429	=	966
8.	860	+	204	=	1.064
9.	967	+	856	=	1.823
10.	875	+	215	=	1.090

Oefening 3
1.	781	+	447	=	1.228
2.	803	+	586	=	1.389
3.	577	+	276	=	853
4.	648	+	613	=	1.261
5.	535	+	264	=	799
6.	459	+	357	=	816
7.	768	+	409	=	1.177
8.	983	+	900	=	1.883
9.	659	+	432	=	1.091
10.	306	+	247	=	553

Oefening 4
1.	533	+	268	=	801
2.	776	+	534	=	1.310
3.	529	+	245	=	774
4.	982	+	494	=	1.476
5.	505	+	475	=	980
6.	616	+	364	=	980
7.	993	+	835	=	1.828
8.	845	+	696	=	1.541
9.	580	+	318	=	898
10.	756	+	642	=	1.398