Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	416	+		=	735
2.	607	+		=	1.188
3.	965	+		=	1.885
4.	981	+		=	1.332
5.	648	+		=	949
6.	774	+		=	1.376
7.	754	+		=	1.319
8.	772	+		=	1.462
9.	435	+		=	685
10.	767	+		=	1.256

Oefening 2
1.	827	+		=	1.561
2.	967	+		=	1.925
3.	591	+		=	1.093
4.	812	+		=	1.022
5.	915	+		=	1.550
6.	981	+		=	1.503
7.	985	+		=	1.668
8.	257	+		=	474
9.	763	+		=	1.009
10.	996	+		=	1.493

Oefening 3
1.	353	+		=	571
2.	487	+		=	861
3.	920	+		=	1.569
4.	477	+		=	755
5.	630	+		=	1.199
6.	863	+		=	1.268
7.	568	+		=	900
8.	432	+		=	692
9.	833	+		=	1.426
10.	657	+		=	974

Oefening 4
1.	582	+		=	1.051
2.	857	+		=	1.058
3.	906	+		=	1.498
4.	570	+		=	775
5.	353	+		=	619
6.	850	+		=	1.402
7.	724	+		=	1.327
8.	931	+		=	1.367
9.	551	+		=	845
10.	813	+		=	1.199

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	416	+	319	=	735
2.	607	+	581	=	1.188
3.	965	+	920	=	1.885
4.	981	+	351	=	1.332
5.	648	+	301	=	949
6.	774	+	602	=	1.376
7.	754	+	565	=	1.319
8.	772	+	690	=	1.462
9.	435	+	250	=	685
10.	767	+	489	=	1.256

Oefening 2
1.	827	+	734	=	1.561
2.	967	+	958	=	1.925
3.	591	+	502	=	1.093
4.	812	+	210	=	1.022
5.	915	+	635	=	1.550
6.	981	+	522	=	1.503
7.	985	+	683	=	1.668
8.	257	+	217	=	474
9.	763	+	246	=	1.009
10.	996	+	497	=	1.493

Oefening 3
1.	353	+	218	=	571
2.	487	+	374	=	861
3.	920	+	649	=	1.569
4.	477	+	278	=	755
5.	630	+	569	=	1.199
6.	863	+	405	=	1.268
7.	568	+	332	=	900
8.	432	+	260	=	692
9.	833	+	593	=	1.426
10.	657	+	317	=	974

Oefening 4
1.	582	+	469	=	1.051
2.	857	+	201	=	1.058
3.	906	+	592	=	1.498
4.	570	+	205	=	775
5.	353	+	266	=	619
6.	850	+	552	=	1.402
7.	724	+	603	=	1.327
8.	931	+	436	=	1.367
9.	551	+	294	=	845
10.	813	+	386	=	1.199