Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	395	+		=	763
2.	361	+		=	493
3.	377	+		=	673
4.	416	+		=	772
5.	334	+		=	560
6.	205	+		=	358
7.	451	+		=	708
8.	141	+		=	266
9.	373	+		=	480
10.	434	+		=	641

Oefening 2
1.	310	+		=	455
2.	463	+		=	734
3.	345	+		=	543
4.	442	+		=	771
5.	405	+		=	613
6.	416	+		=	684
7.	499	+		=	988
8.	491	+		=	731
9.	358	+		=	556
10.	437	+		=	725

Oefening 3
1.	370	+		=	575
2.	177	+		=	299
3.	233	+		=	397
4.	401	+		=	594
5.	306	+		=	560
6.	229	+		=	334
7.	432	+		=	752
8.	439	+		=	605
9.	319	+		=	502
10.	443	+		=	715

Oefening 4
1.	202	+		=	366
2.	257	+		=	360
3.	384	+		=	694
4.	448	+		=	874
5.	240	+		=	441
6.	178	+		=	313
7.	275	+		=	404
8.	415	+		=	550
9.	376	+		=	650
10.	477	+		=	626

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	395	+	368	=	763
2.	361	+	132	=	493
3.	377	+	296	=	673
4.	416	+	356	=	772
5.	334	+	226	=	560
6.	205	+	153	=	358
7.	451	+	257	=	708
8.	141	+	125	=	266
9.	373	+	107	=	480
10.	434	+	207	=	641

Oefening 2
1.	310	+	145	=	455
2.	463	+	271	=	734
3.	345	+	198	=	543
4.	442	+	329	=	771
5.	405	+	208	=	613
6.	416	+	268	=	684
7.	499	+	489	=	988
8.	491	+	240	=	731
9.	358	+	198	=	556
10.	437	+	288	=	725

Oefening 3
1.	370	+	205	=	575
2.	177	+	122	=	299
3.	233	+	164	=	397
4.	401	+	193	=	594
5.	306	+	254	=	560
6.	229	+	105	=	334
7.	432	+	320	=	752
8.	439	+	166	=	605
9.	319	+	183	=	502
10.	443	+	272	=	715

Oefening 4
1.	202	+	164	=	366
2.	257	+	103	=	360
3.	384	+	310	=	694
4.	448	+	426	=	874
5.	240	+	201	=	441
6.	178	+	135	=	313
7.	275	+	129	=	404
8.	415	+	135	=	550
9.	376	+	274	=	650
10.	477	+	149	=	626