Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	972	+		=	1.783
2.	778	+		=	1.003
3.	920	+		=	1.643
4.	605	+		=	980
5.	577	+		=	1.012
6.	865	+		=	1.383
7.	658	+		=	1.162
8.	728	+		=	1.207
9.	788	+		=	1.046
10.	857	+		=	1.542

Oefening 2
1.	466	+		=	679
2.	819	+		=	1.110
3.	670	+		=	871
4.	775	+		=	1.447
5.	736	+		=	964
6.	971	+		=	1.767
7.	946	+		=	1.470
8.	873	+		=	1.591
9.	896	+		=	1.308
10.	981	+		=	1.207

Oefening 3
1.	991	+		=	1.714
2.	993	+		=	1.419
3.	592	+		=	894
4.	916	+		=	1.444
5.	409	+		=	800
6.	918	+		=	1.617
7.	463	+		=	797
8.	735	+		=	1.128
9.	469	+		=	739
10.	907	+		=	1.459

Oefening 4
1.	438	+		=	854
2.	955	+		=	1.529
3.	773	+		=	1.289
4.	861	+		=	1.240
5.	979	+		=	1.251
6.	468	+		=	822
7.	935	+		=	1.268
8.	752	+		=	1.475
9.	935	+		=	1.139
10.	522	+		=	949

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	972	+	811	=	1.783
2.	778	+	225	=	1.003
3.	920	+	723	=	1.643
4.	605	+	375	=	980
5.	577	+	435	=	1.012
6.	865	+	518	=	1.383
7.	658	+	504	=	1.162
8.	728	+	479	=	1.207
9.	788	+	258	=	1.046
10.	857	+	685	=	1.542

Oefening 2
1.	466	+	213	=	679
2.	819	+	291	=	1.110
3.	670	+	201	=	871
4.	775	+	672	=	1.447
5.	736	+	228	=	964
6.	971	+	796	=	1.767
7.	946	+	524	=	1.470
8.	873	+	718	=	1.591
9.	896	+	412	=	1.308
10.	981	+	226	=	1.207

Oefening 3
1.	991	+	723	=	1.714
2.	993	+	426	=	1.419
3.	592	+	302	=	894
4.	916	+	528	=	1.444
5.	409	+	391	=	800
6.	918	+	699	=	1.617
7.	463	+	334	=	797
8.	735	+	393	=	1.128
9.	469	+	270	=	739
10.	907	+	552	=	1.459

Oefening 4
1.	438	+	416	=	854
2.	955	+	574	=	1.529
3.	773	+	516	=	1.289
4.	861	+	379	=	1.240
5.	979	+	272	=	1.251
6.	468	+	354	=	822
7.	935	+	333	=	1.268
8.	752	+	723	=	1.475
9.	935	+	204	=	1.139
10.	522	+	427	=	949