Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	373	+		=	484
2.	438	+		=	758
3.	440	+		=	776
4.	410	+		=	793
5.	250	+		=	437
6.	351	+		=	618
7.	483	+		=	593
8.	457	+		=	863
9.	251	+		=	492
10.	212	+		=	322

Oefening 2
1.	464	+		=	892
2.	218	+		=	426
3.	491	+		=	735
4.	275	+		=	390
5.	297	+		=	521
6.	468	+		=	660
7.	401	+		=	589
8.	176	+		=	299
9.	445	+		=	887
10.	495	+		=	853

Oefening 3
1.	424	+		=	572
2.	387	+		=	618
3.	462	+		=	706
4.	370	+		=	494
5.	312	+		=	559
6.	327	+		=	645
7.	395	+		=	570
8.	372	+		=	563
9.	375	+		=	494
10.	200	+		=	359

Oefening 4
1.	470	+		=	649
2.	402	+		=	601
3.	462	+		=	722
4.	387	+		=	569
5.	455	+		=	883
6.	383	+		=	600
7.	402	+		=	599
8.	465	+		=	826
9.	457	+		=	660
10.	370	+		=	697

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	373	+	111	=	484
2.	438	+	320	=	758
3.	440	+	336	=	776
4.	410	+	383	=	793
5.	250	+	187	=	437
6.	351	+	267	=	618
7.	483	+	110	=	593
8.	457	+	406	=	863
9.	251	+	241	=	492
10.	212	+	110	=	322

Oefening 2
1.	464	+	428	=	892
2.	218	+	208	=	426
3.	491	+	244	=	735
4.	275	+	115	=	390
5.	297	+	224	=	521
6.	468	+	192	=	660
7.	401	+	188	=	589
8.	176	+	123	=	299
9.	445	+	442	=	887
10.	495	+	358	=	853

Oefening 3
1.	424	+	148	=	572
2.	387	+	231	=	618
3.	462	+	244	=	706
4.	370	+	124	=	494
5.	312	+	247	=	559
6.	327	+	318	=	645
7.	395	+	175	=	570
8.	372	+	191	=	563
9.	375	+	119	=	494
10.	200	+	159	=	359

Oefening 4
1.	470	+	179	=	649
2.	402	+	199	=	601
3.	462	+	260	=	722
4.	387	+	182	=	569
5.	455	+	428	=	883
6.	383	+	217	=	600
7.	402	+	197	=	599
8.	465	+	361	=	826
9.	457	+	203	=	660
10.	370	+	327	=	697