Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	865	+		=	1.120
2.	807	+		=	1.057
3.	647	+		=	957
4.	817	+		=	1.349
5.	319	+		=	557
6.	722	+		=	927
7.	810	+		=	1.557
8.	784	+		=	1.030
9.	977	+		=	1.792
10.	860	+		=	1.318

Oefening 2
1.	393	+		=	682
2.	688	+		=	908
3.	855	+		=	1.469
4.	685	+		=	1.080
5.	440	+		=	864
6.	726	+		=	1.199
7.	842	+		=	1.518
8.	918	+		=	1.622
9.	718	+		=	1.276
10.	966	+		=	1.370

Oefening 3
1.	790	+		=	1.454
2.	384	+		=	650
3.	987	+		=	1.888
4.	934	+		=	1.586
5.	796	+		=	1.293
6.	829	+		=	1.402
7.	961	+		=	1.240
8.	914	+		=	1.482
9.	866	+		=	1.206
10.	771	+		=	1.043

Oefening 4
1.	610	+		=	1.086
2.	552	+		=	1.073
3.	870	+		=	1.578
4.	869	+		=	1.465
5.	776	+		=	1.476
6.	773	+		=	1.490
7.	373	+		=	609
8.	953	+		=	1.801
9.	483	+		=	752
10.	641	+		=	1.133

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	865	+	255	=	1.120
2.	807	+	250	=	1.057
3.	647	+	310	=	957
4.	817	+	532	=	1.349
5.	319	+	238	=	557
6.	722	+	205	=	927
7.	810	+	747	=	1.557
8.	784	+	246	=	1.030
9.	977	+	815	=	1.792
10.	860	+	458	=	1.318

Oefening 2
1.	393	+	289	=	682
2.	688	+	220	=	908
3.	855	+	614	=	1.469
4.	685	+	395	=	1.080
5.	440	+	424	=	864
6.	726	+	473	=	1.199
7.	842	+	676	=	1.518
8.	918	+	704	=	1.622
9.	718	+	558	=	1.276
10.	966	+	404	=	1.370

Oefening 3
1.	790	+	664	=	1.454
2.	384	+	266	=	650
3.	987	+	901	=	1.888
4.	934	+	652	=	1.586
5.	796	+	497	=	1.293
6.	829	+	573	=	1.402
7.	961	+	279	=	1.240
8.	914	+	568	=	1.482
9.	866	+	340	=	1.206
10.	771	+	272	=	1.043

Oefening 4
1.	610	+	476	=	1.086
2.	552	+	521	=	1.073
3.	870	+	708	=	1.578
4.	869	+	596	=	1.465
5.	776	+	700	=	1.476
6.	773	+	717	=	1.490
7.	373	+	236	=	609
8.	953	+	848	=	1.801
9.	483	+	269	=	752
10.	641	+	492	=	1.133