Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	493	+		=	837
2.	819	+		=	1.624
3.	618	+		=	941
4.	584	+		=	1.138
5.	698	+		=	1.229
6.	828	+		=	1.079
7.	944	+		=	1.519
8.	731	+		=	1.136
9.	975	+		=	1.496
10.	404	+		=	797

Oefening 2
1.	654	+		=	1.279
2.	781	+		=	1.485
3.	319	+		=	560
4.	801	+		=	1.339
5.	997	+		=	1.231
6.	921	+		=	1.751
7.	888	+		=	1.410
8.	680	+		=	1.154
9.	731	+		=	1.235
10.	880	+		=	1.285

Oefening 3
1.	666	+		=	1.108
2.	628	+		=	1.009
3.	976	+		=	1.376
4.	636	+		=	1.111
5.	895	+		=	1.615
6.	738	+		=	1.441
7.	799	+		=	1.262
8.	872	+		=	1.611
9.	865	+		=	1.337
10.	896	+		=	1.413

Oefening 4
1.	561	+		=	926
2.	657	+		=	1.201
3.	936	+		=	1.592
4.	751	+		=	1.300
5.	749	+		=	1.367
6.	670	+		=	1.296
7.	847	+		=	1.138
8.	700	+		=	933
9.	260	+		=	476
10.	932	+		=	1.670

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	493	+	344	=	837
2.	819	+	805	=	1.624
3.	618	+	323	=	941
4.	584	+	554	=	1.138
5.	698	+	531	=	1.229
6.	828	+	251	=	1.079
7.	944	+	575	=	1.519
8.	731	+	405	=	1.136
9.	975	+	521	=	1.496
10.	404	+	393	=	797

Oefening 2
1.	654	+	625	=	1.279
2.	781	+	704	=	1.485
3.	319	+	241	=	560
4.	801	+	538	=	1.339
5.	997	+	234	=	1.231
6.	921	+	830	=	1.751
7.	888	+	522	=	1.410
8.	680	+	474	=	1.154
9.	731	+	504	=	1.235
10.	880	+	405	=	1.285

Oefening 3
1.	666	+	442	=	1.108
2.	628	+	381	=	1.009
3.	976	+	400	=	1.376
4.	636	+	475	=	1.111
5.	895	+	720	=	1.615
6.	738	+	703	=	1.441
7.	799	+	463	=	1.262
8.	872	+	739	=	1.611
9.	865	+	472	=	1.337
10.	896	+	517	=	1.413

Oefening 4
1.	561	+	365	=	926
2.	657	+	544	=	1.201
3.	936	+	656	=	1.592
4.	751	+	549	=	1.300
5.	749	+	618	=	1.367
6.	670	+	626	=	1.296
7.	847	+	291	=	1.138
8.	700	+	233	=	933
9.	260	+	216	=	476
10.	932	+	738	=	1.670