Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	333	+		=	610
2.	256	+		=	496
3.	498	+		=	947
4.	426	+		=	649
5.	341	+		=	597
6.	454	+		=	664
7.	418	+		=	796
8.	402	+		=	525
9.	409	+		=	721
10.	274	+		=	497

Oefening 2
1.	498	+		=	893
2.	439	+		=	725
3.	399	+		=	736
4.	273	+		=	465
5.	448	+		=	806
6.	454	+		=	700
7.	277	+		=	400
8.	487	+		=	800
9.	454	+		=	704
10.	498	+		=	768

Oefening 3
1.	300	+		=	554
2.	220	+		=	353
3.	211	+		=	415
4.	369	+		=	706
5.	405	+		=	787
6.	326	+		=	499
7.	331	+		=	629
8.	459	+		=	617
9.	447	+		=	567
10.	275	+		=	446

Oefening 4
1.	443	+		=	733
2.	199	+		=	343
3.	301	+		=	433
4.	200	+		=	385
5.	498	+		=	787
6.	286	+		=	512
7.	369	+		=	668
8.	327	+		=	428
9.	385	+		=	604
10.	308	+		=	435

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	333	+	277	=	610
2.	256	+	240	=	496
3.	498	+	449	=	947
4.	426	+	223	=	649
5.	341	+	256	=	597
6.	454	+	210	=	664
7.	418	+	378	=	796
8.	402	+	123	=	525
9.	409	+	312	=	721
10.	274	+	223	=	497

Oefening 2
1.	498	+	395	=	893
2.	439	+	286	=	725
3.	399	+	337	=	736
4.	273	+	192	=	465
5.	448	+	358	=	806
6.	454	+	246	=	700
7.	277	+	123	=	400
8.	487	+	313	=	800
9.	454	+	250	=	704
10.	498	+	270	=	768

Oefening 3
1.	300	+	254	=	554
2.	220	+	133	=	353
3.	211	+	204	=	415
4.	369	+	337	=	706
5.	405	+	382	=	787
6.	326	+	173	=	499
7.	331	+	298	=	629
8.	459	+	158	=	617
9.	447	+	120	=	567
10.	275	+	171	=	446

Oefening 4
1.	443	+	290	=	733
2.	199	+	144	=	343
3.	301	+	132	=	433
4.	200	+	185	=	385
5.	498	+	289	=	787
6.	286	+	226	=	512
7.	369	+	299	=	668
8.	327	+	101	=	428
9.	385	+	219	=	604
10.	308	+	127	=	435