Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	492	+		=	753
2.	292	+		=	484
3.	268	+		=	487
4.	195	+		=	300
5.	318	+		=	623
6.	264	+		=	435
7.	455	+		=	861
8.	393	+		=	613
9.	408	+		=	731
10.	312	+		=	598

Oefening 2
1.	419	+		=	837
2.	288	+		=	393
3.	468	+		=	891
4.	476	+		=	648
5.	309	+		=	437
6.	265	+		=	425
7.	474	+		=	701
8.	311	+		=	533
9.	395	+		=	525
10.	366	+		=	693

Oefening 3
1.	212	+		=	320
2.	400	+		=	742
3.	329	+		=	560
4.	498	+		=	767
5.	474	+		=	862
6.	210	+		=	393
7.	304	+		=	434
8.	319	+		=	609
9.	398	+		=	769
10.	499	+		=	817

Oefening 4
1.	416	+		=	518
2.	490	+		=	817
3.	255	+		=	413
4.	258	+		=	454
5.	430	+		=	854
6.	234	+		=	356
7.	368	+		=	605
8.	333	+		=	512
9.	334	+		=	609
10.	358	+		=	559

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	492	+	261	=	753
2.	292	+	192	=	484
3.	268	+	219	=	487
4.	195	+	105	=	300
5.	318	+	305	=	623
6.	264	+	171	=	435
7.	455	+	406	=	861
8.	393	+	220	=	613
9.	408	+	323	=	731
10.	312	+	286	=	598

Oefening 2
1.	419	+	418	=	837
2.	288	+	105	=	393
3.	468	+	423	=	891
4.	476	+	172	=	648
5.	309	+	128	=	437
6.	265	+	160	=	425
7.	474	+	227	=	701
8.	311	+	222	=	533
9.	395	+	130	=	525
10.	366	+	327	=	693

Oefening 3
1.	212	+	108	=	320
2.	400	+	342	=	742
3.	329	+	231	=	560
4.	498	+	269	=	767
5.	474	+	388	=	862
6.	210	+	183	=	393
7.	304	+	130	=	434
8.	319	+	290	=	609
9.	398	+	371	=	769
10.	499	+	318	=	817

Oefening 4
1.	416	+	102	=	518
2.	490	+	327	=	817
3.	255	+	158	=	413
4.	258	+	196	=	454
5.	430	+	424	=	854
6.	234	+	122	=	356
7.	368	+	237	=	605
8.	333	+	179	=	512
9.	334	+	275	=	609
10.	358	+	201	=	559