Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	33	+		=	63
2.	45	+		=	84
3.	97	+		=	189
4.	75	+		=	96
5.	79	+		=	135
6.	80	+		=	148
7.	87	+		=	144
8.	33	+		=	55
9.	94	+		=	164
10.	92	+		=	144

Oefening 2
1.	100	+		=	125
2.	93	+		=	170
3.	72	+		=	123
4.	46	+		=	71
5.	41	+		=	80
6.	67	+		=	90
7.	88	+		=	170
8.	41	+		=	62
9.	43	+		=	81
10.	86	+		=	111

Oefening 3
1.	75	+		=	127
2.	86	+		=	155
3.	97	+		=	171
4.	40	+		=	71
5.	70	+		=	119
6.	63	+		=	108
7.	95	+		=	168
8.	91	+		=	144
9.	97	+		=	123
10.	62	+		=	93

Oefening 4
1.	74	+		=	147
2.	57	+		=	99
3.	39	+		=	60
4.	77	+		=	124
5.	91	+		=	165
6.	60	+		=	99
7.	70	+		=	109
8.	90	+		=	145
9.	71	+		=	135
10.	65	+		=	90

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	33	+	30	=	63
2.	45	+	39	=	84
3.	97	+	92	=	189
4.	75	+	21	=	96
5.	79	+	56	=	135
6.	80	+	68	=	148
7.	87	+	57	=	144
8.	33	+	22	=	55
9.	94	+	70	=	164
10.	92	+	52	=	144

Oefening 2
1.	100	+	25	=	125
2.	93	+	77	=	170
3.	72	+	51	=	123
4.	46	+	25	=	71
5.	41	+	39	=	80
6.	67	+	23	=	90
7.	88	+	82	=	170
8.	41	+	21	=	62
9.	43	+	38	=	81
10.	86	+	25	=	111

Oefening 3
1.	75	+	52	=	127
2.	86	+	69	=	155
3.	97	+	74	=	171
4.	40	+	31	=	71
5.	70	+	49	=	119
6.	63	+	45	=	108
7.	95	+	73	=	168
8.	91	+	53	=	144
9.	97	+	26	=	123
10.	62	+	31	=	93

Oefening 4
1.	74	+	73	=	147
2.	57	+	42	=	99
3.	39	+	21	=	60
4.	77	+	47	=	124
5.	91	+	74	=	165
6.	60	+	39	=	99
7.	70	+	39	=	109
8.	90	+	55	=	145
9.	71	+	64	=	135
10.	65	+	25	=	90