Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	745	+		=	1.320
2.	582	+		=	785
3.	985	+		=	1.231
4.	420	+		=	833
5.	639	+		=	1.127
6.	951	+		=	1.887
7.	695	+		=	1.202
8.	457	+		=	878
9.	399	+		=	682
10.	598	+		=	917

Oefening 2
1.	985	+		=	1.243
2.	824	+		=	1.220
3.	968	+		=	1.799
4.	976	+		=	1.793
5.	756	+		=	1.434
6.	788	+		=	1.262
7.	610	+		=	1.151
8.	595	+		=	1.066
9.	630	+		=	1.086
10.	907	+		=	1.132

Oefening 3
1.	547	+		=	801
2.	310	+		=	551
3.	431	+		=	819
4.	691	+		=	1.340
5.	977	+		=	1.737
6.	936	+		=	1.559
7.	969	+		=	1.835
8.	925	+		=	1.183
9.	759	+		=	1.163
10.	745	+		=	1.104

Oefening 4
1.	802	+		=	1.007
2.	809	+		=	1.089
3.	910	+		=	1.436
4.	972	+		=	1.445
5.	847	+		=	1.208
6.	997	+		=	1.794
7.	447	+		=	706
8.	953	+		=	1.360
9.	976	+		=	1.787
10.	852	+		=	1.530

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	745	+	575	=	1.320
2.	582	+	203	=	785
3.	985	+	246	=	1.231
4.	420	+	413	=	833
5.	639	+	488	=	1.127
6.	951	+	936	=	1.887
7.	695	+	507	=	1.202
8.	457	+	421	=	878
9.	399	+	283	=	682
10.	598	+	319	=	917

Oefening 2
1.	985	+	258	=	1.243
2.	824	+	396	=	1.220
3.	968	+	831	=	1.799
4.	976	+	817	=	1.793
5.	756	+	678	=	1.434
6.	788	+	474	=	1.262
7.	610	+	541	=	1.151
8.	595	+	471	=	1.066
9.	630	+	456	=	1.086
10.	907	+	225	=	1.132

Oefening 3
1.	547	+	254	=	801
2.	310	+	241	=	551
3.	431	+	388	=	819
4.	691	+	649	=	1.340
5.	977	+	760	=	1.737
6.	936	+	623	=	1.559
7.	969	+	866	=	1.835
8.	925	+	258	=	1.183
9.	759	+	404	=	1.163
10.	745	+	359	=	1.104

Oefening 4
1.	802	+	205	=	1.007
2.	809	+	280	=	1.089
3.	910	+	526	=	1.436
4.	972	+	473	=	1.445
5.	847	+	361	=	1.208
6.	997	+	797	=	1.794
7.	447	+	259	=	706
8.	953	+	407	=	1.360
9.	976	+	811	=	1.787
10.	852	+	678	=	1.530