Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	438	+		=	655
2.	379	+		=	701
3.	337	+		=	574
4.	346	+		=	593
5.	366	+		=	478
6.	470	+		=	864
7.	403	+		=	708
8.	488	+		=	637
9.	442	+		=	589
10.	409	+		=	575

Oefening 2
1.	478	+		=	755
2.	480	+		=	739
3.	451	+		=	722
4.	430	+		=	838
5.	417	+		=	680
6.	373	+		=	695
7.	362	+		=	541
8.	495	+		=	722
9.	443	+		=	746
10.	238	+		=	456

Oefening 3
1.	438	+		=	794
2.	475	+		=	921
3.	468	+		=	857
4.	490	+		=	746
5.	452	+		=	807
6.	491	+		=	876
7.	296	+		=	421
8.	429	+		=	648
9.	302	+		=	407
10.	243	+		=	375

Oefening 4
1.	468	+		=	622
2.	407	+		=	715
3.	363	+		=	471
4.	362	+		=	487
5.	471	+		=	887
6.	467	+		=	781
7.	169	+		=	276
8.	456	+		=	892
9.	470	+		=	574
10.	384	+		=	605

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	438	+	217	=	655
2.	379	+	322	=	701
3.	337	+	237	=	574
4.	346	+	247	=	593
5.	366	+	112	=	478
6.	470	+	394	=	864
7.	403	+	305	=	708
8.	488	+	149	=	637
9.	442	+	147	=	589
10.	409	+	166	=	575

Oefening 2
1.	478	+	277	=	755
2.	480	+	259	=	739
3.	451	+	271	=	722
4.	430	+	408	=	838
5.	417	+	263	=	680
6.	373	+	322	=	695
7.	362	+	179	=	541
8.	495	+	227	=	722
9.	443	+	303	=	746
10.	238	+	218	=	456

Oefening 3
1.	438	+	356	=	794
2.	475	+	446	=	921
3.	468	+	389	=	857
4.	490	+	256	=	746
5.	452	+	355	=	807
6.	491	+	385	=	876
7.	296	+	125	=	421
8.	429	+	219	=	648
9.	302	+	105	=	407
10.	243	+	132	=	375

Oefening 4
1.	468	+	154	=	622
2.	407	+	308	=	715
3.	363	+	108	=	471
4.	362	+	125	=	487
5.	471	+	416	=	887
6.	467	+	314	=	781
7.	169	+	107	=	276
8.	456	+	436	=	892
9.	470	+	104	=	574
10.	384	+	221	=	605