Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	303	+		=	553
2.	223	+		=	353
3.	480	+		=	744
4.	333	+		=	528
5.	266	+		=	408
6.	490	+		=	965
7.	456	+		=	556
8.	433	+		=	669
9.	419	+		=	695
10.	359	+		=	519

Oefening 2
1.	420	+		=	827
2.	185	+		=	362
3.	389	+		=	683
4.	333	+		=	523
5.	429	+		=	607
6.	454	+		=	771
7.	401	+		=	552
8.	342	+		=	526
9.	170	+		=	332
10.	498	+		=	824

Oefening 3
1.	148	+		=	253
2.	327	+		=	563
3.	290	+		=	554
4.	369	+		=	609
5.	323	+		=	458
6.	314	+		=	554
7.	394	+		=	677
8.	176	+		=	281
9.	393	+		=	655
10.	423	+		=	607

Oefening 4
1.	490	+		=	945
2.	446	+		=	866
3.	365	+		=	500
4.	493	+		=	612
5.	279	+		=	481
6.	266	+		=	451
7.	204	+		=	395
8.	332	+		=	601
9.	435	+		=	773
10.	194	+		=	372

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	303	+	250	=	553
2.	223	+	130	=	353
3.	480	+	264	=	744
4.	333	+	195	=	528
5.	266	+	142	=	408
6.	490	+	475	=	965
7.	456	+	100	=	556
8.	433	+	236	=	669
9.	419	+	276	=	695
10.	359	+	160	=	519

Oefening 2
1.	420	+	407	=	827
2.	185	+	177	=	362
3.	389	+	294	=	683
4.	333	+	190	=	523
5.	429	+	178	=	607
6.	454	+	317	=	771
7.	401	+	151	=	552
8.	342	+	184	=	526
9.	170	+	162	=	332
10.	498	+	326	=	824

Oefening 3
1.	148	+	105	=	253
2.	327	+	236	=	563
3.	290	+	264	=	554
4.	369	+	240	=	609
5.	323	+	135	=	458
6.	314	+	240	=	554
7.	394	+	283	=	677
8.	176	+	105	=	281
9.	393	+	262	=	655
10.	423	+	184	=	607

Oefening 4
1.	490	+	455	=	945
2.	446	+	420	=	866
3.	365	+	135	=	500
4.	493	+	119	=	612
5.	279	+	202	=	481
6.	266	+	185	=	451
7.	204	+	191	=	395
8.	332	+	269	=	601
9.	435	+	338	=	773
10.	194	+	178	=	372