Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	257	+		=	402
2.	276	+		=	409
3.	451	+		=	649
4.	325	+		=	560
5.	391	+		=	596
6.	356	+		=	545
7.	319	+		=	526
8.	465	+		=	870
9.	420	+		=	829
10.	396	+		=	583

Oefening 2
1.	467	+		=	912
2.	404	+		=	566
3.	319	+		=	532
4.	325	+		=	628
5.	460	+		=	817
6.	258	+		=	502
7.	281	+		=	448
8.	275	+		=	450
9.	485	+		=	966
10.	289	+		=	394

Oefening 3
1.	424	+		=	843
2.	307	+		=	554
3.	401	+		=	770
4.	399	+		=	619
5.	457	+		=	906
6.	384	+		=	759
7.	238	+		=	406
8.	300	+		=	497
9.	420	+		=	737
10.	402	+		=	713

Oefening 4
1.	251	+		=	413
2.	391	+		=	579
3.	455	+		=	900
4.	316	+		=	474
5.	495	+		=	710
6.	490	+		=	678
7.	432	+		=	766
8.	233	+		=	440
9.	386	+		=	617
10.	450	+		=	698

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	257	+	145	=	402
2.	276	+	133	=	409
3.	451	+	198	=	649
4.	325	+	235	=	560
5.	391	+	205	=	596
6.	356	+	189	=	545
7.	319	+	207	=	526
8.	465	+	405	=	870
9.	420	+	409	=	829
10.	396	+	187	=	583

Oefening 2
1.	467	+	445	=	912
2.	404	+	162	=	566
3.	319	+	213	=	532
4.	325	+	303	=	628
5.	460	+	357	=	817
6.	258	+	244	=	502
7.	281	+	167	=	448
8.	275	+	175	=	450
9.	485	+	481	=	966
10.	289	+	105	=	394

Oefening 3
1.	424	+	419	=	843
2.	307	+	247	=	554
3.	401	+	369	=	770
4.	399	+	220	=	619
5.	457	+	449	=	906
6.	384	+	375	=	759
7.	238	+	168	=	406
8.	300	+	197	=	497
9.	420	+	317	=	737
10.	402	+	311	=	713

Oefening 4
1.	251	+	162	=	413
2.	391	+	188	=	579
3.	455	+	445	=	900
4.	316	+	158	=	474
5.	495	+	215	=	710
6.	490	+	188	=	678
7.	432	+	334	=	766
8.	233	+	207	=	440
9.	386	+	231	=	617
10.	450	+	248	=	698