Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	787	+		=	1.481
2.	529	+		=	1.030
3.	931	+		=	1.682
4.	571	+		=	897
5.	978	+		=	1.939
6.	949	+		=	1.161
7.	656	+		=	1.128
8.	736	+		=	1.449
9.	633	+		=	845
10.	890	+		=	1.711

Oefening 2
1.	248	+		=	454
2.	972	+		=	1.569
3.	625	+		=	1.053
4.	788	+		=	1.244
5.	776	+		=	1.083
6.	672	+		=	1.091
7.	950	+		=	1.602
8.	380	+		=	660
9.	847	+		=	1.588
10.	799	+		=	1.041

Oefening 3
1.	813	+		=	1.398
2.	325	+		=	650
3.	815	+		=	1.422
4.	457	+		=	698
5.	823	+		=	1.090
6.	967	+		=	1.452
7.	538	+		=	922
8.	796	+		=	1.409
9.	733	+		=	1.262
10.	921	+		=	1.733

Oefening 4
1.	785	+		=	1.123
2.	788	+		=	1.419
3.	660	+		=	947
4.	948	+		=	1.220
5.	860	+		=	1.697
6.	786	+		=	1.314
7.	985	+		=	1.298
8.	631	+		=	1.176
9.	985	+		=	1.674
10.	668	+		=	894

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	787	+	694	=	1.481
2.	529	+	501	=	1.030
3.	931	+	751	=	1.682
4.	571	+	326	=	897
5.	978	+	961	=	1.939
6.	949	+	212	=	1.161
7.	656	+	472	=	1.128
8.	736	+	713	=	1.449
9.	633	+	212	=	845
10.	890	+	821	=	1.711

Oefening 2
1.	248	+	206	=	454
2.	972	+	597	=	1.569
3.	625	+	428	=	1.053
4.	788	+	456	=	1.244
5.	776	+	307	=	1.083
6.	672	+	419	=	1.091
7.	950	+	652	=	1.602
8.	380	+	280	=	660
9.	847	+	741	=	1.588
10.	799	+	242	=	1.041

Oefening 3
1.	813	+	585	=	1.398
2.	325	+	325	=	650
3.	815	+	607	=	1.422
4.	457	+	241	=	698
5.	823	+	267	=	1.090
6.	967	+	485	=	1.452
7.	538	+	384	=	922
8.	796	+	613	=	1.409
9.	733	+	529	=	1.262
10.	921	+	812	=	1.733

Oefening 4
1.	785	+	338	=	1.123
2.	788	+	631	=	1.419
3.	660	+	287	=	947
4.	948	+	272	=	1.220
5.	860	+	837	=	1.697
6.	786	+	528	=	1.314
7.	985	+	313	=	1.298
8.	631	+	545	=	1.176
9.	985	+	689	=	1.674
10.	668	+	226	=	894