Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	459	+		=	778
2.	458	+		=	583
3.	343	+		=	495
4.	440	+		=	619
5.	493	+		=	618
6.	182	+		=	302
7.	274	+		=	404
8.	422	+		=	644
9.	271	+		=	528
10.	394	+		=	700

Oefening 2
1.	256	+		=	375
2.	472	+		=	659
3.	247	+		=	441
4.	430	+		=	572
5.	442	+		=	690
6.	384	+		=	496
7.	246	+		=	351
8.	188	+		=	336
9.	394	+		=	769
10.	349	+		=	525

Oefening 3
1.	302	+		=	563
2.	389	+		=	500
3.	234	+		=	391
4.	294	+		=	525
5.	466	+		=	657
6.	493	+		=	635
7.	431	+		=	539
8.	227	+		=	408
9.	500	+		=	966
10.	395	+		=	526

Oefening 4
1.	493	+		=	881
2.	240	+		=	433
3.	487	+		=	649
4.	440	+		=	768
5.	497	+		=	632
6.	487	+		=	804
7.	277	+		=	482
8.	486	+		=	907
9.	477	+		=	609
10.	424	+		=	622

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	459	+	319	=	778
2.	458	+	125	=	583
3.	343	+	152	=	495
4.	440	+	179	=	619
5.	493	+	125	=	618
6.	182	+	120	=	302
7.	274	+	130	=	404
8.	422	+	222	=	644
9.	271	+	257	=	528
10.	394	+	306	=	700

Oefening 2
1.	256	+	119	=	375
2.	472	+	187	=	659
3.	247	+	194	=	441
4.	430	+	142	=	572
5.	442	+	248	=	690
6.	384	+	112	=	496
7.	246	+	105	=	351
8.	188	+	148	=	336
9.	394	+	375	=	769
10.	349	+	176	=	525

Oefening 3
1.	302	+	261	=	563
2.	389	+	111	=	500
3.	234	+	157	=	391
4.	294	+	231	=	525
5.	466	+	191	=	657
6.	493	+	142	=	635
7.	431	+	108	=	539
8.	227	+	181	=	408
9.	500	+	466	=	966
10.	395	+	131	=	526

Oefening 4
1.	493	+	388	=	881
2.	240	+	193	=	433
3.	487	+	162	=	649
4.	440	+	328	=	768
5.	497	+	135	=	632
6.	487	+	317	=	804
7.	277	+	205	=	482
8.	486	+	421	=	907
9.	477	+	132	=	609
10.	424	+	198	=	622