8 × 9 =
72 ÷ 8 =
8 × 1 =
4 + 10 - __ = 9
8 + 9 - __ = 8
4 - 3 + __ = 3
18 - 8 - 4 =
15 - 2 - 12 =
18 - 1 - 16 =
54 - 24 + 2 × 5=
8 × 7 - 3 × 2=
81 + 4 × 3 - 26=
20 - 16 =
12 - 6 =
20 - 9 =
__ + 6 = 14
3 + __ = 12
5 + __ = 11
11 + 3 + 5 =
6 + 1 + 1 =
1 + 1 + 3 =
0.71 × 0.9 =
0.69 × 0.4 =
0.49 × 0.8 =
6 + __ = 16
1 + __ = 11
__ + 7 = 8
59 × 2 =
76 × 3 =
37 × 6 =
409 × 81 ≈
105 × 21 ≈
463 × 42 ≈
__ - 12 - 6 = 0
11 - __ + 12 = 13
5 - 5 + __ = 2
4 + 10 + 4 =
1 + 4 - 3 =
20 - 10 + 7 =
60 ÷ 4 × 5=
30 × 2 × 3=
40 ÷ 2 ÷ 5=
18 - 10 - __ = 3
18 - 8 - __ = 1
__ - 5 - 7 = 8
26 × 2 =
52 × 7 =
79 × 7 =
4 - 3 + 5 =
8 + 8 - 10 =
3 + 3 - 6 =
__ × 5 = 50
90 × __ = 810
__ × 3 = 90
33.3 + 64.23 + 8.7 + 9.77=
37.26 + 1.74 + 6.22 + 6.78=
2.94 + 3.14 + 10.86 + 34.06=
1 + 2 + __ = 18
2 + __ + 13 = 16
__ + 3 + 1 = 15
97.1 × 0.18 =
55.5 ÷ 0.12 =
81.6 × 0.79 =
60 - 9 =
80 - 3 =
50 + 8 =
8845 - 6231 =
5692 - 5430 =
3777 - 604 =
11 57 ÷ 2 43 - 4 83 =
18 79 + 12 14 - 62 86 =
811 - (248 + 163 + 315)=
936 - 786 + (352 - 168)=
337 + 339 - 368 + 527=
3 6 - 1 8 - 2 8 =
7 9 - 1 5 - 1 5 =
927 - 711 - 187=
821 - 159 - 241=
818 - 447 - 348=
86 + 6 =
88 + 9 =
37 - 7 =
526 + 2 ÷ 5=
5 ÷ 6 + 534=
9 ÷ 5 + 881=
19 + __ = 99
__ + 60 = 91
94 - __ = 54
58 + 24 - 56 - 22=
96 - (92 - 17) + 55=
82 + 15 - 42 + 23=
92 + 68 - 63=
96 -(30 - 13)=
90 + 25 - 28=