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for teachers
How many sums can you make in
1, 2, 3, 4, 5 or 10
minutes?
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I want to do
sums of:
till
Print
15-5 =
17-8 =
11-6 =
5+3 =
15-5 =
20-10 =
4+5 =
1+1 =
2+3 =
13-3 =
11-6 =
4+8 =
3+2 =
7+5 =
1+1 =
11-2 =
6-3 =
17-8 =
7+4 =
9+1 =
3+6 =
7-3 =
5+1 =
11-1 =
7+3 =