Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	355	+		=	666
2.	311	+		=	467
3.	448	+		=	556
4.	448	+		=	670
5.	448	+		=	836
6.	412	+		=	743
7.	489	+		=	598
8.	431	+		=	784
9.	493	+		=	775
10.	360	+		=	479

Oefening 2
1.	367	+		=	550
2.	491	+		=	869
3.	164	+		=	326
4.	420	+		=	557
5.	272	+		=	524
6.	489	+		=	635
7.	353	+		=	697
8.	230	+		=	361
9.	330	+		=	475
10.	223	+		=	433

Oefening 3
1.	311	+		=	436
2.	489	+		=	712
3.	154	+		=	277
4.	251	+		=	453
5.	430	+		=	842
6.	215	+		=	340
7.	446	+		=	572
8.	392	+		=	648
9.	409	+		=	521
10.	247	+		=	476

Oefening 4
1.	429	+		=	858
2.	352	+		=	589
3.	472	+		=	772
4.	346	+		=	659
5.	364	+		=	655
6.	446	+		=	699
7.	460	+		=	873
8.	209	+		=	391
9.	258	+		=	446
10.	443	+		=	624

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	355	+	311	=	666
2.	311	+	156	=	467
3.	448	+	108	=	556
4.	448	+	222	=	670
5.	448	+	388	=	836
6.	412	+	331	=	743
7.	489	+	109	=	598
8.	431	+	353	=	784
9.	493	+	282	=	775
10.	360	+	119	=	479

Oefening 2
1.	367	+	183	=	550
2.	491	+	378	=	869
3.	164	+	162	=	326
4.	420	+	137	=	557
5.	272	+	252	=	524
6.	489	+	146	=	635
7.	353	+	344	=	697
8.	230	+	131	=	361
9.	330	+	145	=	475
10.	223	+	210	=	433

Oefening 3
1.	311	+	125	=	436
2.	489	+	223	=	712
3.	154	+	123	=	277
4.	251	+	202	=	453
5.	430	+	412	=	842
6.	215	+	125	=	340
7.	446	+	126	=	572
8.	392	+	256	=	648
9.	409	+	112	=	521
10.	247	+	229	=	476

Oefening 4
1.	429	+	429	=	858
2.	352	+	237	=	589
3.	472	+	300	=	772
4.	346	+	313	=	659
5.	364	+	291	=	655
6.	446	+	253	=	699
7.	460	+	413	=	873
8.	209	+	182	=	391
9.	258	+	188	=	446
10.	443	+	181	=	624