Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
328 + 193 =
521
2
3
4
|
2.
411 – 407 =
2
3
4
1
|
3.
399 – 373 =
26
4
3
2
|
4.
853 – 299 =
2
554
3
4
|
|
5.
681 – 328 =
353
4
2
3
|
6.
971 – 958 =
13
1
2
3
|
7.
976 – 262 =
714
3
2
4
|
8.
465 – 403 =
4
62
3
2
|
|
9.
370 – 229 =
4
3
2
141
|
10.
89 – 18 =
3
71
2
4
|
11.
931 + 36 =
3
967
4
2
|
12.
607 – 450 =
3
4
157
2
|
|
13.
73 – 34 =
4
3
2
39
|
14.
844 + 6 =
2
4
3
850
|
15.
560 + 264 =
824
4
3
2
|
16.
125 – 15 =
3
110
4
2
|
|
17.
986 – 903 =
4
2
3
83
|
18.
24 – 4 =
20
2
3
4
|
19.
16 + 420 =
3
2
436
4
|
20.
1 – 1 =
0
2
4
3
|