Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	447	+		=	632
2.	463	+		=	650
3.	484	+		=	654
4.	376	+		=	538
5.	230	+		=	429
6.	485	+		=	795
7.	171	+		=	287
8.	347	+		=	630
9.	172	+		=	338
10.	429	+		=	625

Oefening 2
1.	450	+		=	656
2.	413	+		=	554
3.	346	+		=	522
4.	456	+		=	762
5.	171	+		=	279
6.	116	+		=	221
7.	279	+		=	400
8.	436	+		=	634
9.	372	+		=	534
10.	418	+		=	650

Oefening 3
1.	478	+		=	719
2.	450	+		=	574
3.	313	+		=	538
4.	284	+		=	432
5.	290	+		=	417
6.	466	+		=	837
7.	272	+		=	443
8.	453	+		=	813
9.	224	+		=	367
10.	472	+		=	720

Oefening 4
1.	407	+		=	526
2.	397	+		=	751
3.	411	+		=	576
4.	412	+		=	619
5.	368	+		=	623
6.	248	+		=	355
7.	484	+		=	731
8.	273	+		=	438
9.	406	+		=	683
10.	378	+		=	586

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	447	+	185	=	632
2.	463	+	187	=	650
3.	484	+	170	=	654
4.	376	+	162	=	538
5.	230	+	199	=	429
6.	485	+	310	=	795
7.	171	+	116	=	287
8.	347	+	283	=	630
9.	172	+	166	=	338
10.	429	+	196	=	625

Oefening 2
1.	450	+	206	=	656
2.	413	+	141	=	554
3.	346	+	176	=	522
4.	456	+	306	=	762
5.	171	+	108	=	279
6.	116	+	105	=	221
7.	279	+	121	=	400
8.	436	+	198	=	634
9.	372	+	162	=	534
10.	418	+	232	=	650

Oefening 3
1.	478	+	241	=	719
2.	450	+	124	=	574
3.	313	+	225	=	538
4.	284	+	148	=	432
5.	290	+	127	=	417
6.	466	+	371	=	837
7.	272	+	171	=	443
8.	453	+	360	=	813
9.	224	+	143	=	367
10.	472	+	248	=	720

Oefening 4
1.	407	+	119	=	526
2.	397	+	354	=	751
3.	411	+	165	=	576
4.	412	+	207	=	619
5.	368	+	255	=	623
6.	248	+	107	=	355
7.	484	+	247	=	731
8.	273	+	165	=	438
9.	406	+	277	=	683
10.	378	+	208	=	586