Maths practise!
1
1 - 7
=
2
3 + 7
=
3
4 - 8
=
4
8 - 2
=
5
3 + 1
=
6
8 - 7
=
7
12 + 3 + 7 + 6
=
8
2 × 3
=
9
37 + 6 - 3
=
10
6 + 27
=
11
45 + 27
=
12
3 × 1
=
13
1 + (2 × 9)
=
14
2 + (2 × 9)
=
15
5 + (9 × 5)
=
16
4 + (7 × 2)
=
