Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	205	+		=	379
2.	163	+		=	267
3.	428	+		=	762
4.	348	+		=	544
5.	308	+		=	546
6.	303	+		=	505
7.	330	+		=	474
8.	429	+		=	788
9.	347	+		=	483
10.	357	+		=	460

Oefening 2
1.	409	+		=	572
2.	302	+		=	446
3.	329	+		=	559
4.	486	+		=	931
5.	457	+		=	766
6.	474	+		=	745
7.	344	+		=	619
8.	377	+		=	670
9.	413	+		=	817
10.	224	+		=	328

Oefening 3
1.	429	+		=	657
2.	304	+		=	517
3.	446	+		=	690
4.	181	+		=	333
5.	301	+		=	409
6.	139	+		=	254
7.	492	+		=	798
8.	494	+		=	639
9.	321	+		=	517
10.	483	+		=	804

Oefening 4
1.	315	+		=	453
2.	461	+		=	866
3.	400	+		=	761
4.	459	+		=	662
5.	498	+		=	639
6.	493	+		=	750
7.	284	+		=	508
8.	303	+		=	428
9.	401	+		=	610
10.	454	+		=	771

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	205	+	174	=	379
2.	163	+	104	=	267
3.	428	+	334	=	762
4.	348	+	196	=	544
5.	308	+	238	=	546
6.	303	+	202	=	505
7.	330	+	144	=	474
8.	429	+	359	=	788
9.	347	+	136	=	483
10.	357	+	103	=	460

Oefening 2
1.	409	+	163	=	572
2.	302	+	144	=	446
3.	329	+	230	=	559
4.	486	+	445	=	931
5.	457	+	309	=	766
6.	474	+	271	=	745
7.	344	+	275	=	619
8.	377	+	293	=	670
9.	413	+	404	=	817
10.	224	+	104	=	328

Oefening 3
1.	429	+	228	=	657
2.	304	+	213	=	517
3.	446	+	244	=	690
4.	181	+	152	=	333
5.	301	+	108	=	409
6.	139	+	115	=	254
7.	492	+	306	=	798
8.	494	+	145	=	639
9.	321	+	196	=	517
10.	483	+	321	=	804

Oefening 4
1.	315	+	138	=	453
2.	461	+	405	=	866
3.	400	+	361	=	761
4.	459	+	203	=	662
5.	498	+	141	=	639
6.	493	+	257	=	750
7.	284	+	224	=	508
8.	303	+	125	=	428
9.	401	+	209	=	610
10.	454	+	317	=	771