Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	311	+		=	535
2.	476	+		=	692
3.	472	+		=	711
4.	391	+		=	552
5.	330	+		=	559
6.	360	+		=	600
7.	434	+		=	672
8.	399	+		=	754
9.	482	+		=	721
10.	481	+		=	753

Oefening 2
1.	410	+		=	763
2.	253	+		=	456
3.	477	+		=	757
4.	445	+		=	722
5.	487	+		=	696
6.	461	+		=	907
7.	410	+		=	536
8.	293	+		=	422
9.	276	+		=	439
10.	477	+		=	916

Oefening 3
1.	392	+		=	715
2.	413	+		=	596
3.	247	+		=	391
4.	405	+		=	574
5.	288	+		=	456
6.	361	+		=	675
7.	233	+		=	437
8.	438	+		=	766
9.	444	+		=	740
10.	488	+		=	931

Oefening 4
1.	355	+		=	511
2.	476	+		=	853
3.	399	+		=	790
4.	335	+		=	602
5.	258	+		=	475
6.	422	+		=	634
7.	304	+		=	557
8.	222	+		=	355
9.	417	+		=	636
10.	481	+		=	911

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	311	+	224	=	535
2.	476	+	216	=	692
3.	472	+	239	=	711
4.	391	+	161	=	552
5.	330	+	229	=	559
6.	360	+	240	=	600
7.	434	+	238	=	672
8.	399	+	355	=	754
9.	482	+	239	=	721
10.	481	+	272	=	753

Oefening 2
1.	410	+	353	=	763
2.	253	+	203	=	456
3.	477	+	280	=	757
4.	445	+	277	=	722
5.	487	+	209	=	696
6.	461	+	446	=	907
7.	410	+	126	=	536
8.	293	+	129	=	422
9.	276	+	163	=	439
10.	477	+	439	=	916

Oefening 3
1.	392	+	323	=	715
2.	413	+	183	=	596
3.	247	+	144	=	391
4.	405	+	169	=	574
5.	288	+	168	=	456
6.	361	+	314	=	675
7.	233	+	204	=	437
8.	438	+	328	=	766
9.	444	+	296	=	740
10.	488	+	443	=	931

Oefening 4
1.	355	+	156	=	511
2.	476	+	377	=	853
3.	399	+	391	=	790
4.	335	+	267	=	602
5.	258	+	217	=	475
6.	422	+	212	=	634
7.	304	+	253	=	557
8.	222	+	133	=	355
9.	417	+	219	=	636
10.	481	+	430	=	911