Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	335	+		=	567
2.	493	+		=	720
3.	322	+		=	573
4.	306	+		=	426
5.	142	+		=	283
6.	167	+		=	311
7.	128	+		=	256
8.	471	+		=	788
9.	406	+		=	804
10.	451	+		=	817

Oefening 2
1.	420	+		=	589
2.	240	+		=	429
3.	429	+		=	561
4.	322	+		=	501
5.	417	+		=	705
6.	451	+		=	764
7.	493	+		=	936
8.	443	+		=	550
9.	448	+		=	759
10.	409	+		=	558

Oefening 3
1.	394	+		=	750
2.	455	+		=	657
3.	281	+		=	429
4.	340	+		=	595
5.	282	+		=	555
6.	432	+		=	574
7.	349	+		=	492
8.	375	+		=	609
9.	439	+		=	610
10.	320	+		=	623

Oefening 4
1.	323	+		=	482
2.	456	+		=	800
3.	439	+		=	739
4.	349	+		=	622
5.	382	+		=	724
6.	496	+		=	890
7.	310	+		=	612
8.	500	+		=	618
9.	337	+		=	586
10.	397	+		=	755

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	335	+	232	=	567
2.	493	+	227	=	720
3.	322	+	251	=	573
4.	306	+	120	=	426
5.	142	+	141	=	283
6.	167	+	144	=	311
7.	128	+	128	=	256
8.	471	+	317	=	788
9.	406	+	398	=	804
10.	451	+	366	=	817

Oefening 2
1.	420	+	169	=	589
2.	240	+	189	=	429
3.	429	+	132	=	561
4.	322	+	179	=	501
5.	417	+	288	=	705
6.	451	+	313	=	764
7.	493	+	443	=	936
8.	443	+	107	=	550
9.	448	+	311	=	759
10.	409	+	149	=	558

Oefening 3
1.	394	+	356	=	750
2.	455	+	202	=	657
3.	281	+	148	=	429
4.	340	+	255	=	595
5.	282	+	273	=	555
6.	432	+	142	=	574
7.	349	+	143	=	492
8.	375	+	234	=	609
9.	439	+	171	=	610
10.	320	+	303	=	623

Oefening 4
1.	323	+	159	=	482
2.	456	+	344	=	800
3.	439	+	300	=	739
4.	349	+	273	=	622
5.	382	+	342	=	724
6.	496	+	394	=	890
7.	310	+	302	=	612
8.	500	+	118	=	618
9.	337	+	249	=	586
10.	397	+	358	=	755