Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	483	+		=	613
2.	229	+		=	389
3.	473	+		=	662
4.	187	+		=	356
5.	368	+		=	525
6.	325	+		=	539
7.	439	+		=	585
8.	325	+		=	584
9.	498	+		=	749
10.	386	+		=	715

Oefening 2
1.	422	+		=	538
2.	256	+		=	401
3.	171	+		=	308
4.	497	+		=	917
5.	307	+		=	613
6.	260	+		=	516
7.	407	+		=	702
8.	281	+		=	502
9.	424	+		=	642
10.	485	+		=	687

Oefening 3
1.	288	+		=	545
2.	334	+		=	599
3.	297	+		=	498
4.	298	+		=	499
5.	345	+		=	611
6.	169	+		=	274
7.	255	+		=	457
8.	399	+		=	677
9.	402	+		=	620
10.	233	+		=	342

Oefening 4
1.	414	+		=	610
2.	487	+		=	631
3.	293	+		=	492
4.	449	+		=	870
5.	310	+		=	568
6.	408	+		=	803
7.	407	+		=	758
8.	471	+		=	778
9.	476	+		=	677
10.	467	+		=	707

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	483	+	130	=	613
2.	229	+	160	=	389
3.	473	+	189	=	662
4.	187	+	169	=	356
5.	368	+	157	=	525
6.	325	+	214	=	539
7.	439	+	146	=	585
8.	325	+	259	=	584
9.	498	+	251	=	749
10.	386	+	329	=	715

Oefening 2
1.	422	+	116	=	538
2.	256	+	145	=	401
3.	171	+	137	=	308
4.	497	+	420	=	917
5.	307	+	306	=	613
6.	260	+	256	=	516
7.	407	+	295	=	702
8.	281	+	221	=	502
9.	424	+	218	=	642
10.	485	+	202	=	687

Oefening 3
1.	288	+	257	=	545
2.	334	+	265	=	599
3.	297	+	201	=	498
4.	298	+	201	=	499
5.	345	+	266	=	611
6.	169	+	105	=	274
7.	255	+	202	=	457
8.	399	+	278	=	677
9.	402	+	218	=	620
10.	233	+	109	=	342

Oefening 4
1.	414	+	196	=	610
2.	487	+	144	=	631
3.	293	+	199	=	492
4.	449	+	421	=	870
5.	310	+	258	=	568
6.	408	+	395	=	803
7.	407	+	351	=	758
8.	471	+	307	=	778
9.	476	+	201	=	677
10.	467	+	240	=	707