Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	939	+		=	1.313
2.	869	+		=	1.093
3.	997	+		=	1.472
4.	934	+		=	1.482
5.	535	+		=	842
6.	625	+		=	1.156
7.	586	+		=	1.118
8.	535	+		=	1.026
9.	902	+		=	1.662
10.	949	+		=	1.634

Oefening 2
1.	835	+		=	1.422
2.	234	+		=	461
3.	396	+		=	596
4.	980	+		=	1.226
5.	834	+		=	1.439
6.	990	+		=	1.938
7.	969	+		=	1.200
8.	844	+		=	1.293
9.	757	+		=	1.049
10.	843	+		=	1.155

Oefening 3
1.	946	+		=	1.524
2.	681	+		=	920
3.	995	+		=	1.404
4.	989	+		=	1.470
5.	423	+		=	733
6.	871	+		=	1.607
7.	681	+		=	1.355
8.	656	+		=	900
9.	371	+		=	663
10.	965	+		=	1.778

Oefening 4
1.	887	+		=	1.340
2.	926	+		=	1.607
3.	973	+		=	1.604
4.	454	+		=	785
5.	938	+		=	1.342
6.	623	+		=	1.026
7.	723	+		=	1.088
8.	606	+		=	942
9.	946	+		=	1.743
10.	808	+		=	1.164

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	939	+	374	=	1.313
2.	869	+	224	=	1.093
3.	997	+	475	=	1.472
4.	934	+	548	=	1.482
5.	535	+	307	=	842
6.	625	+	531	=	1.156
7.	586	+	532	=	1.118
8.	535	+	491	=	1.026
9.	902	+	760	=	1.662
10.	949	+	685	=	1.634

Oefening 2
1.	835	+	587	=	1.422
2.	234	+	227	=	461
3.	396	+	200	=	596
4.	980	+	246	=	1.226
5.	834	+	605	=	1.439
6.	990	+	948	=	1.938
7.	969	+	231	=	1.200
8.	844	+	449	=	1.293
9.	757	+	292	=	1.049
10.	843	+	312	=	1.155

Oefening 3
1.	946	+	578	=	1.524
2.	681	+	239	=	920
3.	995	+	409	=	1.404
4.	989	+	481	=	1.470
5.	423	+	310	=	733
6.	871	+	736	=	1.607
7.	681	+	674	=	1.355
8.	656	+	244	=	900
9.	371	+	292	=	663
10.	965	+	813	=	1.778

Oefening 4
1.	887	+	453	=	1.340
2.	926	+	681	=	1.607
3.	973	+	631	=	1.604
4.	454	+	331	=	785
5.	938	+	404	=	1.342
6.	623	+	403	=	1.026
7.	723	+	365	=	1.088
8.	606	+	336	=	942
9.	946	+	797	=	1.743
10.	808	+	356	=	1.164