Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	353	+		=	560
2.	612	+		=	1.193
3.	769	+		=	1.338
4.	831	+		=	1.270
5.	965	+		=	1.600
6.	589	+		=	806
7.	465	+		=	878
8.	946	+		=	1.616
9.	681	+		=	1.142
10.	655	+		=	1.029

Oefening 2
1.	805	+		=	1.297
2.	537	+		=	987
3.	666	+		=	1.185
4.	753	+		=	1.305
5.	750	+		=	1.019
6.	583	+		=	1.164
7.	624	+		=	916
8.	888	+		=	1.546
9.	549	+		=	888
10.	968	+		=	1.726

Oefening 3
1.	419	+		=	763
2.	809	+		=	1.354
3.	903	+		=	1.363
4.	370	+		=	584
5.	705	+		=	1.375
6.	801	+		=	1.064
7.	410	+		=	612
8.	533	+		=	1.000
9.	595	+		=	1.000
10.	807	+		=	1.511

Oefening 4
1.	961	+		=	1.227
2.	829	+		=	1.312
3.	940	+		=	1.774
4.	724	+		=	1.435
5.	594	+		=	915
6.	964	+		=	1.182
7.	384	+		=	599
8.	644	+		=	1.121
9.	989	+		=	1.616
10.	921	+		=	1.192

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	353	+	207	=	560
2.	612	+	581	=	1.193
3.	769	+	569	=	1.338
4.	831	+	439	=	1.270
5.	965	+	635	=	1.600
6.	589	+	217	=	806
7.	465	+	413	=	878
8.	946	+	670	=	1.616
9.	681	+	461	=	1.142
10.	655	+	374	=	1.029

Oefening 2
1.	805	+	492	=	1.297
2.	537	+	450	=	987
3.	666	+	519	=	1.185
4.	753	+	552	=	1.305
5.	750	+	269	=	1.019
6.	583	+	581	=	1.164
7.	624	+	292	=	916
8.	888	+	658	=	1.546
9.	549	+	339	=	888
10.	968	+	758	=	1.726

Oefening 3
1.	419	+	344	=	763
2.	809	+	545	=	1.354
3.	903	+	460	=	1.363
4.	370	+	214	=	584
5.	705	+	670	=	1.375
6.	801	+	263	=	1.064
7.	410	+	202	=	612
8.	533	+	467	=	1.000
9.	595	+	405	=	1.000
10.	807	+	704	=	1.511

Oefening 4
1.	961	+	266	=	1.227
2.	829	+	483	=	1.312
3.	940	+	834	=	1.774
4.	724	+	711	=	1.435
5.	594	+	321	=	915
6.	964	+	218	=	1.182
7.	384	+	215	=	599
8.	644	+	477	=	1.121
9.	989	+	627	=	1.616
10.	921	+	271	=	1.192