Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	251	+		=	468
2.	482	+		=	684
3.	452	+		=	663
4.	443	+		=	858
5.	481	+		=	793
6.	417	+		=	722
7.	418	+		=	655
8.	414	+		=	622
9.	393	+		=	625
10.	465	+		=	657

Oefening 2
1.	257	+		=	514
2.	500	+		=	601
3.	495	+		=	975
4.	459	+		=	580
5.	450	+		=	766
6.	187	+		=	311
7.	196	+		=	360
8.	417	+		=	607
9.	222	+		=	340
10.	286	+		=	430

Oefening 3
1.	472	+		=	695
2.	462	+		=	792
3.	236	+		=	416
4.	349	+		=	646
5.	427	+		=	763
6.	478	+		=	878
7.	477	+		=	798
8.	429	+		=	715
9.	391	+		=	528
10.	188	+		=	298

Oefening 4
1.	310	+		=	602
2.	475	+		=	884
3.	461	+		=	718
4.	493	+		=	904
5.	418	+		=	675
6.	240	+		=	456
7.	479	+		=	758
8.	287	+		=	499
9.	204	+		=	371
10.	499	+		=	985

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	251	+	217	=	468
2.	482	+	202	=	684
3.	452	+	211	=	663
4.	443	+	415	=	858
5.	481	+	312	=	793
6.	417	+	305	=	722
7.	418	+	237	=	655
8.	414	+	208	=	622
9.	393	+	232	=	625
10.	465	+	192	=	657

Oefening 2
1.	257	+	257	=	514
2.	500	+	101	=	601
3.	495	+	480	=	975
4.	459	+	121	=	580
5.	450	+	316	=	766
6.	187	+	124	=	311
7.	196	+	164	=	360
8.	417	+	190	=	607
9.	222	+	118	=	340
10.	286	+	144	=	430

Oefening 3
1.	472	+	223	=	695
2.	462	+	330	=	792
3.	236	+	180	=	416
4.	349	+	297	=	646
5.	427	+	336	=	763
6.	478	+	400	=	878
7.	477	+	321	=	798
8.	429	+	286	=	715
9.	391	+	137	=	528
10.	188	+	110	=	298

Oefening 4
1.	310	+	292	=	602
2.	475	+	409	=	884
3.	461	+	257	=	718
4.	493	+	411	=	904
5.	418	+	257	=	675
6.	240	+	216	=	456
7.	479	+	279	=	758
8.	287	+	212	=	499
9.	204	+	167	=	371
10.	499	+	486	=	985