Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	997	+		=	1.638
2.	720	+		=	1.167
3.	930	+		=	1.500
4.	860	+		=	1.448
5.	967	+		=	1.318
6.	928	+		=	1.337
7.	617	+		=	901
8.	626	+		=	1.112
9.	861	+		=	1.566
10.	568	+		=	1.086

Oefening 2
1.	698	+		=	1.313
2.	870	+		=	1.401
3.	948	+		=	1.830
4.	918	+		=	1.421
5.	767	+		=	974
6.	649	+		=	1.138
7.	636	+		=	1.031
8.	825	+		=	1.643
9.	561	+		=	845
10.	914	+		=	1.480

Oefening 3
1.	643	+		=	907
2.	706	+		=	1.244
3.	743	+		=	1.325
4.	610	+		=	1.014
5.	1.000	+		=	1.768
6.	975	+		=	1.232
7.	976	+		=	1.938
8.	944	+		=	1.322
9.	993	+		=	1.972
10.	585	+		=	1.065

Oefening 4
1.	474	+		=	803
2.	927	+		=	1.685
3.	685	+		=	1.312
4.	732	+		=	1.421
5.	765	+		=	1.524
6.	672	+		=	1.051
7.	908	+		=	1.513
8.	681	+		=	1.319
9.	904	+		=	1.107
10.	763	+		=	1.194

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	997	+	641	=	1.638
2.	720	+	447	=	1.167
3.	930	+	570	=	1.500
4.	860	+	588	=	1.448
5.	967	+	351	=	1.318
6.	928	+	409	=	1.337
7.	617	+	284	=	901
8.	626	+	486	=	1.112
9.	861	+	705	=	1.566
10.	568	+	518	=	1.086

Oefening 2
1.	698	+	615	=	1.313
2.	870	+	531	=	1.401
3.	948	+	882	=	1.830
4.	918	+	503	=	1.421
5.	767	+	207	=	974
6.	649	+	489	=	1.138
7.	636	+	395	=	1.031
8.	825	+	818	=	1.643
9.	561	+	284	=	845
10.	914	+	566	=	1.480

Oefening 3
1.	643	+	264	=	907
2.	706	+	538	=	1.244
3.	743	+	582	=	1.325
4.	610	+	404	=	1.014
5.	1.000	+	768	=	1.768
6.	975	+	257	=	1.232
7.	976	+	962	=	1.938
8.	944	+	378	=	1.322
9.	993	+	979	=	1.972
10.	585	+	480	=	1.065

Oefening 4
1.	474	+	329	=	803
2.	927	+	758	=	1.685
3.	685	+	627	=	1.312
4.	732	+	689	=	1.421
5.	765	+	759	=	1.524
6.	672	+	379	=	1.051
7.	908	+	605	=	1.513
8.	681	+	638	=	1.319
9.	904	+	203	=	1.107
10.	763	+	431	=	1.194