Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	464	+		=	891
2.	362	+		=	496
3.	446	+		=	832
4.	363	+		=	642
5.	185	+		=	356
6.	470	+		=	733
7.	406	+		=	692
8.	410	+		=	642
9.	196	+		=	312
10.	463	+		=	798

Oefening 2
1.	438	+		=	616
2.	351	+		=	554
3.	449	+		=	580
4.	484	+		=	914
5.	377	+		=	606
6.	337	+		=	533
7.	447	+		=	650
8.	372	+		=	516
9.	410	+		=	577
10.	427	+		=	681

Oefening 3
1.	492	+		=	806
2.	409	+		=	572
3.	393	+		=	659
4.	453	+		=	636
5.	336	+		=	521
6.	333	+		=	494
7.	370	+		=	525
8.	388	+		=	572
9.	492	+		=	619
10.	492	+		=	750

Oefening 4
1.	394	+		=	641
2.	428	+		=	838
3.	315	+		=	584
4.	365	+		=	579
5.	428	+		=	793
6.	335	+		=	592
7.	483	+		=	780
8.	291	+		=	414
9.	323	+		=	516
10.	321	+		=	471

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	464	+	427	=	891
2.	362	+	134	=	496
3.	446	+	386	=	832
4.	363	+	279	=	642
5.	185	+	171	=	356
6.	470	+	263	=	733
7.	406	+	286	=	692
8.	410	+	232	=	642
9.	196	+	116	=	312
10.	463	+	335	=	798

Oefening 2
1.	438	+	178	=	616
2.	351	+	203	=	554
3.	449	+	131	=	580
4.	484	+	430	=	914
5.	377	+	229	=	606
6.	337	+	196	=	533
7.	447	+	203	=	650
8.	372	+	144	=	516
9.	410	+	167	=	577
10.	427	+	254	=	681

Oefening 3
1.	492	+	314	=	806
2.	409	+	163	=	572
3.	393	+	266	=	659
4.	453	+	183	=	636
5.	336	+	185	=	521
6.	333	+	161	=	494
7.	370	+	155	=	525
8.	388	+	184	=	572
9.	492	+	127	=	619
10.	492	+	258	=	750

Oefening 4
1.	394	+	247	=	641
2.	428	+	410	=	838
3.	315	+	269	=	584
4.	365	+	214	=	579
5.	428	+	365	=	793
6.	335	+	257	=	592
7.	483	+	297	=	780
8.	291	+	123	=	414
9.	323	+	193	=	516
10.	321	+	150	=	471