Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	628	+		=	1.038
2.	988	+		=	1.539
3.	329	+		=	641
4.	887	+		=	1.131
5.	906	+		=	1.398
6.	668	+		=	925
7.	607	+		=	833
8.	755	+		=	1.104
9.	736	+		=	1.161
10.	582	+		=	924

Oefening 2
1.	818	+		=	1.250
2.	855	+		=	1.670
3.	569	+		=	849
4.	953	+		=	1.551
5.	659	+		=	931
6.	456	+		=	768
7.	934	+		=	1.685
8.	688	+		=	948
9.	742	+		=	1.264
10.	774	+		=	1.080

Oefening 3
1.	497	+		=	905
2.	646	+		=	1.291
3.	817	+		=	1.212
4.	596	+		=	986
5.	870	+		=	1.075
6.	705	+		=	1.137
7.	404	+		=	681
8.	733	+		=	1.436
9.	881	+		=	1.267
10.	799	+		=	1.284

Oefening 4
1.	679	+		=	962
2.	769	+		=	998
3.	915	+		=	1.722
4.	654	+		=	864
5.	849	+		=	1.096
6.	680	+		=	1.125
7.	542	+		=	776
8.	837	+		=	1.143
9.	480	+		=	778
10.	818	+		=	1.097

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	628	+	410	=	1.038
2.	988	+	551	=	1.539
3.	329	+	312	=	641
4.	887	+	244	=	1.131
5.	906	+	492	=	1.398
6.	668	+	257	=	925
7.	607	+	226	=	833
8.	755	+	349	=	1.104
9.	736	+	425	=	1.161
10.	582	+	342	=	924

Oefening 2
1.	818	+	432	=	1.250
2.	855	+	815	=	1.670
3.	569	+	280	=	849
4.	953	+	598	=	1.551
5.	659	+	272	=	931
6.	456	+	312	=	768
7.	934	+	751	=	1.685
8.	688	+	260	=	948
9.	742	+	522	=	1.264
10.	774	+	306	=	1.080

Oefening 3
1.	497	+	408	=	905
2.	646	+	645	=	1.291
3.	817	+	395	=	1.212
4.	596	+	390	=	986
5.	870	+	205	=	1.075
6.	705	+	432	=	1.137
7.	404	+	277	=	681
8.	733	+	703	=	1.436
9.	881	+	386	=	1.267
10.	799	+	485	=	1.284

Oefening 4
1.	679	+	283	=	962
2.	769	+	229	=	998
3.	915	+	807	=	1.722
4.	654	+	210	=	864
5.	849	+	247	=	1.096
6.	680	+	445	=	1.125
7.	542	+	234	=	776
8.	837	+	306	=	1.143
9.	480	+	298	=	778
10.	818	+	279	=	1.097