Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	376	+		=	544
2.	412	+		=	725
3.	226	+		=	448
4.	342	+		=	676
5.	204	+		=	381
6.	169	+		=	282
7.	384	+		=	760
8.	223	+		=	386
9.	360	+		=	561
10.	499	+		=	725

Oefening 2
1.	478	+		=	632
2.	448	+		=	885
3.	328	+		=	588
4.	258	+		=	481
5.	213	+		=	373
6.	391	+		=	635
7.	495	+		=	851
8.	242	+		=	449
9.	189	+		=	358
10.	182	+		=	360

Oefening 3
1.	289	+		=	466
2.	478	+		=	634
3.	319	+		=	595
4.	428	+		=	729
5.	275	+		=	405
6.	439	+		=	708
7.	195	+		=	298
8.	300	+		=	480
9.	192	+		=	345
10.	246	+		=	469

Oefening 4
1.	487	+		=	922
2.	403	+		=	532
3.	465	+		=	570
4.	329	+		=	541
5.	399	+		=	555
6.	425	+		=	546
7.	203	+		=	364
8.	483	+		=	904
9.	484	+		=	913
10.	436	+		=	858

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	376	+	168	=	544
2.	412	+	313	=	725
3.	226	+	222	=	448
4.	342	+	334	=	676
5.	204	+	177	=	381
6.	169	+	113	=	282
7.	384	+	376	=	760
8.	223	+	163	=	386
9.	360	+	201	=	561
10.	499	+	226	=	725

Oefening 2
1.	478	+	154	=	632
2.	448	+	437	=	885
3.	328	+	260	=	588
4.	258	+	223	=	481
5.	213	+	160	=	373
6.	391	+	244	=	635
7.	495	+	356	=	851
8.	242	+	207	=	449
9.	189	+	169	=	358
10.	182	+	178	=	360

Oefening 3
1.	289	+	177	=	466
2.	478	+	156	=	634
3.	319	+	276	=	595
4.	428	+	301	=	729
5.	275	+	130	=	405
6.	439	+	269	=	708
7.	195	+	103	=	298
8.	300	+	180	=	480
9.	192	+	153	=	345
10.	246	+	223	=	469

Oefening 4
1.	487	+	435	=	922
2.	403	+	129	=	532
3.	465	+	105	=	570
4.	329	+	212	=	541
5.	399	+	156	=	555
6.	425	+	121	=	546
7.	203	+	161	=	364
8.	483	+	421	=	904
9.	484	+	429	=	913
10.	436	+	422	=	858