Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	728	+		=	950
2.	611	+		=	821
3.	826	+		=	1.065
4.	791	+		=	1.499
5.	771	+		=	1.210
6.	814	+		=	1.164
7.	979	+		=	1.568
8.	878	+		=	1.530
9.	788	+		=	1.412
10.	275	+		=	521

Oefening 2
1.	880	+		=	1.270
2.	427	+		=	701
3.	913	+		=	1.784
4.	840	+		=	1.367
5.	684	+		=	1.038
6.	990	+		=	1.362
7.	652	+		=	1.013
8.	933	+		=	1.330
9.	828	+		=	1.613
10.	780	+		=	997

Oefening 3
1.	758	+		=	1.261
2.	801	+		=	1.051
3.	864	+		=	1.187
4.	877	+		=	1.275
5.	849	+		=	1.670
6.	451	+		=	888
7.	592	+		=	813
8.	994	+		=	1.722
9.	994	+		=	1.551
10.	749	+		=	1.396

Oefening 4
1.	958	+		=	1.469
2.	612	+		=	1.050
3.	822	+		=	1.332
4.	700	+		=	1.336
5.	626	+		=	886
6.	564	+		=	939
7.	809	+		=	1.318
8.	628	+		=	1.223
9.	794	+		=	1.531
10.	217	+		=	421

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	728	+	222	=	950
2.	611	+	210	=	821
3.	826	+	239	=	1.065
4.	791	+	708	=	1.499
5.	771	+	439	=	1.210
6.	814	+	350	=	1.164
7.	979	+	589	=	1.568
8.	878	+	652	=	1.530
9.	788	+	624	=	1.412
10.	275	+	246	=	521

Oefening 2
1.	880	+	390	=	1.270
2.	427	+	274	=	701
3.	913	+	871	=	1.784
4.	840	+	527	=	1.367
5.	684	+	354	=	1.038
6.	990	+	372	=	1.362
7.	652	+	361	=	1.013
8.	933	+	397	=	1.330
9.	828	+	785	=	1.613
10.	780	+	217	=	997

Oefening 3
1.	758	+	503	=	1.261
2.	801	+	250	=	1.051
3.	864	+	323	=	1.187
4.	877	+	398	=	1.275
5.	849	+	821	=	1.670
6.	451	+	437	=	888
7.	592	+	221	=	813
8.	994	+	728	=	1.722
9.	994	+	557	=	1.551
10.	749	+	647	=	1.396

Oefening 4
1.	958	+	511	=	1.469
2.	612	+	438	=	1.050
3.	822	+	510	=	1.332
4.	700	+	636	=	1.336
5.	626	+	260	=	886
6.	564	+	375	=	939
7.	809	+	509	=	1.318
8.	628	+	595	=	1.223
9.	794	+	737	=	1.531
10.	217	+	204	=	421