Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	446	+		=	707
2.	279	+		=	441
3.	432	+		=	555
4.	440	+		=	859
5.	173	+		=	300
6.	380	+		=	618
7.	310	+		=	489
8.	405	+		=	618
9.	293	+		=	503
10.	390	+		=	581

Oefening 2
1.	322	+		=	430
2.	492	+		=	883
3.	345	+		=	681
4.	232	+		=	340
5.	261	+		=	427
6.	364	+		=	647
7.	468	+		=	877
8.	456	+		=	588
9.	492	+		=	638
10.	484	+		=	699

Oefening 3
1.	198	+		=	318
2.	478	+		=	632
3.	424	+		=	807
4.	447	+		=	736
5.	289	+		=	436
6.	330	+		=	504
7.	275	+		=	410
8.	302	+		=	510
9.	494	+		=	898
10.	488	+		=	758

Oefening 4
1.	450	+		=	731
2.	390	+		=	545
3.	314	+		=	530
4.	429	+		=	742
5.	258	+		=	402
6.	461	+		=	788
7.	322	+		=	609
8.	205	+		=	355
9.	251	+		=	468
10.	242	+		=	372

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	446	+	261	=	707
2.	279	+	162	=	441
3.	432	+	123	=	555
4.	440	+	419	=	859
5.	173	+	127	=	300
6.	380	+	238	=	618
7.	310	+	179	=	489
8.	405	+	213	=	618
9.	293	+	210	=	503
10.	390	+	191	=	581

Oefening 2
1.	322	+	108	=	430
2.	492	+	391	=	883
3.	345	+	336	=	681
4.	232	+	108	=	340
5.	261	+	166	=	427
6.	364	+	283	=	647
7.	468	+	409	=	877
8.	456	+	132	=	588
9.	492	+	146	=	638
10.	484	+	215	=	699

Oefening 3
1.	198	+	120	=	318
2.	478	+	154	=	632
3.	424	+	383	=	807
4.	447	+	289	=	736
5.	289	+	147	=	436
6.	330	+	174	=	504
7.	275	+	135	=	410
8.	302	+	208	=	510
9.	494	+	404	=	898
10.	488	+	270	=	758

Oefening 4
1.	450	+	281	=	731
2.	390	+	155	=	545
3.	314	+	216	=	530
4.	429	+	313	=	742
5.	258	+	144	=	402
6.	461	+	327	=	788
7.	322	+	287	=	609
8.	205	+	150	=	355
9.	251	+	217	=	468
10.	242	+	130	=	372