Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	786	+		=	1.215
2.	987	+		=	1.452
3.	620	+		=	909
4.	672	+		=	1.224
5.	851	+		=	1.541
6.	342	+		=	649
7.	587	+		=	1.116
8.	976	+		=	1.566
9.	915	+		=	1.398
10.	376	+		=	672

Oefening 2
1.	809	+		=	1.599
2.	988	+		=	1.724
3.	526	+		=	1.040
4.	490	+		=	693
5.	813	+		=	1.136
6.	450	+		=	706
7.	985	+		=	1.685
8.	966	+		=	1.311
9.	528	+		=	781
10.	878	+		=	1.534

Oefening 3
1.	638	+		=	1.261
2.	489	+		=	889
3.	942	+		=	1.875
4.	893	+		=	1.679
5.	934	+		=	1.816
6.	855	+		=	1.225
7.	979	+		=	1.856
8.	899	+		=	1.136
9.	758	+		=	1.434
10.	753	+		=	1.433

Oefening 4
1.	909	+		=	1.257
2.	318	+		=	574
3.	868	+		=	1.678
4.	601	+		=	885
5.	631	+		=	986
6.	855	+		=	1.134
7.	835	+		=	1.537
8.	926	+		=	1.842
9.	468	+		=	769
10.	883	+		=	1.275

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	786	+	429	=	1.215
2.	987	+	465	=	1.452
3.	620	+	289	=	909
4.	672	+	552	=	1.224
5.	851	+	690	=	1.541
6.	342	+	307	=	649
7.	587	+	529	=	1.116
8.	976	+	590	=	1.566
9.	915	+	483	=	1.398
10.	376	+	296	=	672

Oefening 2
1.	809	+	790	=	1.599
2.	988	+	736	=	1.724
3.	526	+	514	=	1.040
4.	490	+	203	=	693
5.	813	+	323	=	1.136
6.	450	+	256	=	706
7.	985	+	700	=	1.685
8.	966	+	345	=	1.311
9.	528	+	253	=	781
10.	878	+	656	=	1.534

Oefening 3
1.	638	+	623	=	1.261
2.	489	+	400	=	889
3.	942	+	933	=	1.875
4.	893	+	786	=	1.679
5.	934	+	882	=	1.816
6.	855	+	370	=	1.225
7.	979	+	877	=	1.856
8.	899	+	237	=	1.136
9.	758	+	676	=	1.434
10.	753	+	680	=	1.433

Oefening 4
1.	909	+	348	=	1.257
2.	318	+	256	=	574
3.	868	+	810	=	1.678
4.	601	+	284	=	885
5.	631	+	355	=	986
6.	855	+	279	=	1.134
7.	835	+	702	=	1.537
8.	926	+	916	=	1.842
9.	468	+	301	=	769
10.	883	+	392	=	1.275