Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	413	+		=	535
2.	252	+		=	431
3.	484	+		=	628
4.	269	+		=	455
5.	497	+		=	852
6.	499	+		=	685
7.	443	+		=	856
8.	315	+		=	457
9.	419	+		=	648
10.	465	+		=	599

Oefening 2
1.	480	+		=	603
2.	414	+		=	612
3.	495	+		=	632
4.	477	+		=	933
5.	341	+		=	610
6.	419	+		=	689
7.	385	+		=	720
8.	333	+		=	623
9.	153	+		=	280
10.	263	+		=	476

Oefening 3
1.	477	+		=	825
2.	331	+		=	475
3.	499	+		=	833
4.	334	+		=	605
5.	457	+		=	791
6.	432	+		=	562
7.	465	+		=	678
8.	337	+		=	565
9.	465	+		=	636
10.	464	+		=	924

Oefening 4
1.	272	+		=	512
2.	422	+		=	592
3.	416	+		=	563
4.	355	+		=	463
5.	466	+		=	898
6.	288	+		=	541
7.	404	+		=	736
8.	484	+		=	726
9.	261	+		=	362
10.	181	+		=	345

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	413	+	122	=	535
2.	252	+	179	=	431
3.	484	+	144	=	628
4.	269	+	186	=	455
5.	497	+	355	=	852
6.	499	+	186	=	685
7.	443	+	413	=	856
8.	315	+	142	=	457
9.	419	+	229	=	648
10.	465	+	134	=	599

Oefening 2
1.	480	+	123	=	603
2.	414	+	198	=	612
3.	495	+	137	=	632
4.	477	+	456	=	933
5.	341	+	269	=	610
6.	419	+	270	=	689
7.	385	+	335	=	720
8.	333	+	290	=	623
9.	153	+	127	=	280
10.	263	+	213	=	476

Oefening 3
1.	477	+	348	=	825
2.	331	+	144	=	475
3.	499	+	334	=	833
4.	334	+	271	=	605
5.	457	+	334	=	791
6.	432	+	130	=	562
7.	465	+	213	=	678
8.	337	+	228	=	565
9.	465	+	171	=	636
10.	464	+	460	=	924

Oefening 4
1.	272	+	240	=	512
2.	422	+	170	=	592
3.	416	+	147	=	563
4.	355	+	108	=	463
5.	466	+	432	=	898
6.	288	+	253	=	541
7.	404	+	332	=	736
8.	484	+	242	=	726
9.	261	+	101	=	362
10.	181	+	164	=	345