Erbij en eraf tot 1.000
In de mix
|
1.
305 – 181 =
124
2
|
2.
727 + 220 =
2
947
|
3.
595 – 466 =
129
2
|
4.
151 – 46 =
105
2
|
|
5.
447 + 393 =
2
840
|
6.
999 + 1 =
1000
2
|
7.
421 – 25 =
2
396
|
8.
513 – 144 =
2
369
|
|
9.
340 + 630 =
2
970
|
10.
551 + 121 =
672
2
|
11.
746 – 636 =
2
110
|
12.
136 – 76 =
2
60
|
|
13.
87 – 1 =
86
2
|
14.
883 + 32 =
2
915
|
15.
774 + 198 =
972
2
|
16.
216 + 687 =
2
903
|
|
17.
496 – 38 =
2
458
|
18.
521 + 410 =
2
931
|
19.
258 + 3 =
261
2
|
20.
449 + 420 =
869
2
|