450 + 100=
28 x 10 =
? = 1,236 + 2,102
24 x 0 =
2/5 + 1/5 =
563 + 28=
2 1/7 + ? = 2 6/7
84 ÷ 4 =
42 x 3 = ?
360 ÷ 6 =
2,975- 493 =
42 x 9 = ?
? = 2 4/5 -4/5
25 ÷ ? =0.25
8/11 + ? = 1
12x7 = 6x7 x ?
81 ÷ 10 =
156 x 6 =
5- 2/3 =
38 ÷ 5 =