Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	487	+		=	883
2.	211	+		=	320
3.	293	+		=	403
4.	422	+		=	638
5.	470	+		=	849
6.	489	+		=	860
7.	328	+		=	621
8.	447	+		=	734
9.	373	+		=	582
10.	362	+		=	527

Oefening 2
1.	417	+		=	761
2.	423	+		=	656
3.	370	+		=	657
4.	229	+		=	446
5.	350	+		=	508
6.	488	+		=	816
7.	189	+		=	301
8.	363	+		=	724
9.	241	+		=	383
10.	246	+		=	354

Oefening 3
1.	376	+		=	544
2.	432	+		=	598
3.	434	+		=	554
4.	298	+		=	561
5.	404	+		=	759
6.	460	+		=	804
7.	240	+		=	448
8.	168	+		=	307
9.	459	+		=	648
10.	400	+		=	800

Oefening 4
1.	392	+		=	704
2.	436	+		=	780
3.	497	+		=	850
4.	243	+		=	430
5.	342	+		=	455
6.	497	+		=	824
7.	489	+		=	940
8.	488	+		=	702
9.	269	+		=	464
10.	262	+		=	498

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	487	+	396	=	883
2.	211	+	109	=	320
3.	293	+	110	=	403
4.	422	+	216	=	638
5.	470	+	379	=	849
6.	489	+	371	=	860
7.	328	+	293	=	621
8.	447	+	287	=	734
9.	373	+	209	=	582
10.	362	+	165	=	527

Oefening 2
1.	417	+	344	=	761
2.	423	+	233	=	656
3.	370	+	287	=	657
4.	229	+	217	=	446
5.	350	+	158	=	508
6.	488	+	328	=	816
7.	189	+	112	=	301
8.	363	+	361	=	724
9.	241	+	142	=	383
10.	246	+	108	=	354

Oefening 3
1.	376	+	168	=	544
2.	432	+	166	=	598
3.	434	+	120	=	554
4.	298	+	263	=	561
5.	404	+	355	=	759
6.	460	+	344	=	804
7.	240	+	208	=	448
8.	168	+	139	=	307
9.	459	+	189	=	648
10.	400	+	400	=	800

Oefening 4
1.	392	+	312	=	704
2.	436	+	344	=	780
3.	497	+	353	=	850
4.	243	+	187	=	430
5.	342	+	113	=	455
6.	497	+	327	=	824
7.	489	+	451	=	940
8.	488	+	214	=	702
9.	269	+	195	=	464
10.	262	+	236	=	498