Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	309	+		=	560
2.	761	+		=	1.368
3.	871	+		=	1.317
4.	491	+		=	900
5.	751	+		=	1.324
6.	679	+		=	1.055
7.	560	+		=	1.093
8.	774	+		=	1.303
9.	594	+		=	1.148
10.	856	+		=	1.181

Oefening 2
1.	711	+		=	1.121
2.	945	+		=	1.829
3.	779	+		=	1.498
4.	848	+		=	1.658
5.	794	+		=	1.498
6.	316	+		=	548
7.	487	+		=	877
8.	952	+		=	1.290
9.	447	+		=	832
10.	592	+		=	1.089

Oefening 3
1.	362	+		=	644
2.	919	+		=	1.671
3.	865	+		=	1.491
4.	984	+		=	1.381
5.	575	+		=	924
6.	542	+		=	924
7.	776	+		=	1.088
8.	659	+		=	1.047
9.	529	+		=	850
10.	830	+		=	1.442

Oefening 4
1.	659	+		=	1.078
2.	771	+		=	1.386
3.	566	+		=	1.049
4.	656	+		=	1.042
5.	777	+		=	1.501
6.	806	+		=	1.252
7.	938	+		=	1.580
8.	488	+		=	711
9.	454	+		=	690
10.	801	+		=	1.269

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	309	+	251	=	560
2.	761	+	607	=	1.368
3.	871	+	446	=	1.317
4.	491	+	409	=	900
5.	751	+	573	=	1.324
6.	679	+	376	=	1.055
7.	560	+	533	=	1.093
8.	774	+	529	=	1.303
9.	594	+	554	=	1.148
10.	856	+	325	=	1.181

Oefening 2
1.	711	+	410	=	1.121
2.	945	+	884	=	1.829
3.	779	+	719	=	1.498
4.	848	+	810	=	1.658
5.	794	+	704	=	1.498
6.	316	+	232	=	548
7.	487	+	390	=	877
8.	952	+	338	=	1.290
9.	447	+	385	=	832
10.	592	+	497	=	1.089

Oefening 3
1.	362	+	282	=	644
2.	919	+	752	=	1.671
3.	865	+	626	=	1.491
4.	984	+	397	=	1.381
5.	575	+	349	=	924
6.	542	+	382	=	924
7.	776	+	312	=	1.088
8.	659	+	388	=	1.047
9.	529	+	321	=	850
10.	830	+	612	=	1.442

Oefening 4
1.	659	+	419	=	1.078
2.	771	+	615	=	1.386
3.	566	+	483	=	1.049
4.	656	+	386	=	1.042
5.	777	+	724	=	1.501
6.	806	+	446	=	1.252
7.	938	+	642	=	1.580
8.	488	+	223	=	711
9.	454	+	236	=	690
10.	801	+	468	=	1.269