Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	498	+		=	848
2.	266	+		=	426
3.	388	+		=	694
4.	427	+		=	787
5.	450	+		=	843
6.	312	+		=	433
7.	263	+		=	369
8.	464	+		=	576
9.	266	+		=	467
10.	483	+		=	648

Oefening 2
1.	173	+		=	274
2.	244	+		=	401
3.	153	+		=	279
4.	321	+		=	568
5.	404	+		=	655
6.	462	+		=	706
7.	376	+		=	726
8.	169	+		=	328
9.	298	+		=	594
10.	204	+		=	366

Oefening 3
1.	425	+		=	593
2.	242	+		=	417
3.	435	+		=	719
4.	433	+		=	796
5.	445	+		=	776
6.	323	+		=	595
7.	475	+		=	644
8.	316	+		=	438
9.	348	+		=	514
10.	218	+		=	386

Oefening 4
1.	329	+		=	557
2.	457	+		=	823
3.	476	+		=	806
4.	153	+		=	254
5.	445	+		=	723
6.	389	+		=	502
7.	321	+		=	501
8.	369	+		=	611
9.	487	+		=	654
10.	446	+		=	781

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	498	+	350	=	848
2.	266	+	160	=	426
3.	388	+	306	=	694
4.	427	+	360	=	787
5.	450	+	393	=	843
6.	312	+	121	=	433
7.	263	+	106	=	369
8.	464	+	112	=	576
9.	266	+	201	=	467
10.	483	+	165	=	648

Oefening 2
1.	173	+	101	=	274
2.	244	+	157	=	401
3.	153	+	126	=	279
4.	321	+	247	=	568
5.	404	+	251	=	655
6.	462	+	244	=	706
7.	376	+	350	=	726
8.	169	+	159	=	328
9.	298	+	296	=	594
10.	204	+	162	=	366

Oefening 3
1.	425	+	168	=	593
2.	242	+	175	=	417
3.	435	+	284	=	719
4.	433	+	363	=	796
5.	445	+	331	=	776
6.	323	+	272	=	595
7.	475	+	169	=	644
8.	316	+	122	=	438
9.	348	+	166	=	514
10.	218	+	168	=	386

Oefening 4
1.	329	+	228	=	557
2.	457	+	366	=	823
3.	476	+	330	=	806
4.	153	+	101	=	254
5.	445	+	278	=	723
6.	389	+	113	=	502
7.	321	+	180	=	501
8.	369	+	242	=	611
9.	487	+	167	=	654
10.	446	+	335	=	781