Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	309	+		=	599
2.	969	+		=	1.414
3.	819	+		=	1.418
4.	540	+		=	764
5.	995	+		=	1.365
6.	543	+		=	1.057
7.	555	+		=	920
8.	987	+		=	1.293
9.	967	+		=	1.652
10.	500	+		=	909

Oefening 2
1.	900	+		=	1.629
2.	746	+		=	1.263
3.	752	+		=	1.154
4.	485	+		=	908
5.	962	+		=	1.922
6.	337	+		=	548
7.	984	+		=	1.868
8.	552	+		=	932
9.	893	+		=	1.718
10.	999	+		=	1.253

Oefening 3
1.	407	+		=	669
2.	687	+		=	896
3.	480	+		=	915
4.	984	+		=	1.541
5.	985	+		=	1.344
6.	784	+		=	1.188
7.	711	+		=	1.168
8.	919	+		=	1.439
9.	746	+		=	1.314
10.	923	+		=	1.461

Oefening 4
1.	379	+		=	580
2.	329	+		=	631
3.	963	+		=	1.875
4.	945	+		=	1.576
5.	754	+		=	1.152
6.	895	+		=	1.418
7.	553	+		=	1.062
8.	332	+		=	598
9.	961	+		=	1.452
10.	564	+		=	994

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	309	+	290	=	599
2.	969	+	445	=	1.414
3.	819	+	599	=	1.418
4.	540	+	224	=	764
5.	995	+	370	=	1.365
6.	543	+	514	=	1.057
7.	555	+	365	=	920
8.	987	+	306	=	1.293
9.	967	+	685	=	1.652
10.	500	+	409	=	909

Oefening 2
1.	900	+	729	=	1.629
2.	746	+	517	=	1.263
3.	752	+	402	=	1.154
4.	485	+	423	=	908
5.	962	+	960	=	1.922
6.	337	+	211	=	548
7.	984	+	884	=	1.868
8.	552	+	380	=	932
9.	893	+	825	=	1.718
10.	999	+	254	=	1.253

Oefening 3
1.	407	+	262	=	669
2.	687	+	209	=	896
3.	480	+	435	=	915
4.	984	+	557	=	1.541
5.	985	+	359	=	1.344
6.	784	+	404	=	1.188
7.	711	+	457	=	1.168
8.	919	+	520	=	1.439
9.	746	+	568	=	1.314
10.	923	+	538	=	1.461

Oefening 4
1.	379	+	201	=	580
2.	329	+	302	=	631
3.	963	+	912	=	1.875
4.	945	+	631	=	1.576
5.	754	+	398	=	1.152
6.	895	+	523	=	1.418
7.	553	+	509	=	1.062
8.	332	+	266	=	598
9.	961	+	491	=	1.452
10.	564	+	430	=	994