Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	248	+		=	388
2.	448	+		=	743
3.	397	+		=	553
4.	442	+		=	808
5.	162	+		=	272
6.	397	+		=	611
7.	405	+		=	687
8.	485	+		=	684
9.	485	+		=	968
10.	159	+		=	259

Oefening 2
1.	361	+		=	666
2.	395	+		=	632
3.	478	+		=	744
4.	425	+		=	588
5.	375	+		=	659
6.	427	+		=	710
7.	493	+		=	752
8.	484	+		=	725
9.	149	+		=	249
10.	296	+		=	484

Oefening 3
1.	486	+		=	946
2.	435	+		=	670
3.	357	+		=	611
4.	473	+		=	710
5.	461	+		=	865
6.	336	+		=	519
7.	311	+		=	589
8.	258	+		=	391
9.	496	+		=	719
10.	174	+		=	341

Oefening 4
1.	345	+		=	454
2.	455	+		=	770
3.	274	+		=	403
4.	409	+		=	648
5.	409	+		=	741
6.	300	+		=	542
7.	399	+		=	668
8.	445	+		=	869
9.	283	+		=	503
10.	497	+		=	939

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	248	+	140	=	388
2.	448	+	295	=	743
3.	397	+	156	=	553
4.	442	+	366	=	808
5.	162	+	110	=	272
6.	397	+	214	=	611
7.	405	+	282	=	687
8.	485	+	199	=	684
9.	485	+	483	=	968
10.	159	+	100	=	259

Oefening 2
1.	361	+	305	=	666
2.	395	+	237	=	632
3.	478	+	266	=	744
4.	425	+	163	=	588
5.	375	+	284	=	659
6.	427	+	283	=	710
7.	493	+	259	=	752
8.	484	+	241	=	725
9.	149	+	100	=	249
10.	296	+	188	=	484

Oefening 3
1.	486	+	460	=	946
2.	435	+	235	=	670
3.	357	+	254	=	611
4.	473	+	237	=	710
5.	461	+	404	=	865
6.	336	+	183	=	519
7.	311	+	278	=	589
8.	258	+	133	=	391
9.	496	+	223	=	719
10.	174	+	167	=	341

Oefening 4
1.	345	+	109	=	454
2.	455	+	315	=	770
3.	274	+	129	=	403
4.	409	+	239	=	648
5.	409	+	332	=	741
6.	300	+	242	=	542
7.	399	+	269	=	668
8.	445	+	424	=	869
9.	283	+	220	=	503
10.	497	+	442	=	939