Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	308	+		=	444
2.	379	+		=	591
3.	368	+		=	567
4.	404	+		=	640
5.	436	+		=	862
6.	487	+		=	609
7.	487	+		=	969
8.	438	+		=	816
9.	307	+		=	459
10.	437	+		=	643

Oefening 2
1.	476	+		=	809
2.	402	+		=	719
3.	480	+		=	608
4.	410	+		=	609
5.	437	+		=	709
6.	426	+		=	714
7.	406	+		=	617
8.	187	+		=	291
9.	408	+		=	685
10.	438	+		=	635

Oefening 3
1.	496	+		=	608
2.	375	+		=	542
3.	444	+		=	881
4.	450	+		=	737
5.	194	+		=	364
6.	174	+		=	274
7.	297	+		=	457
8.	378	+		=	639
9.	229	+		=	364
10.	487	+		=	912

Oefening 4
1.	445	+		=	628
2.	381	+		=	745
3.	256	+		=	450
4.	437	+		=	797
5.	481	+		=	788
6.	249	+		=	482
7.	309	+		=	557
8.	425	+		=	664
9.	301	+		=	516
10.	438	+		=	557

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	308	+	136	=	444
2.	379	+	212	=	591
3.	368	+	199	=	567
4.	404	+	236	=	640
5.	436	+	426	=	862
6.	487	+	122	=	609
7.	487	+	482	=	969
8.	438	+	378	=	816
9.	307	+	152	=	459
10.	437	+	206	=	643

Oefening 2
1.	476	+	333	=	809
2.	402	+	317	=	719
3.	480	+	128	=	608
4.	410	+	199	=	609
5.	437	+	272	=	709
6.	426	+	288	=	714
7.	406	+	211	=	617
8.	187	+	104	=	291
9.	408	+	277	=	685
10.	438	+	197	=	635

Oefening 3
1.	496	+	112	=	608
2.	375	+	167	=	542
3.	444	+	437	=	881
4.	450	+	287	=	737
5.	194	+	170	=	364
6.	174	+	100	=	274
7.	297	+	160	=	457
8.	378	+	261	=	639
9.	229	+	135	=	364
10.	487	+	425	=	912

Oefening 4
1.	445	+	183	=	628
2.	381	+	364	=	745
3.	256	+	194	=	450
4.	437	+	360	=	797
5.	481	+	307	=	788
6.	249	+	233	=	482
7.	309	+	248	=	557
8.	425	+	239	=	664
9.	301	+	215	=	516
10.	438	+	119	=	557