6.63 × 5 × 0.3=
3.60 × 5 × 5.0=
8.62 × 8 × 3.0=
342 ÷ 6 =
564 ÷ 6 =
176 ÷ 8 =
1975 ÷ 5 =
2450 ÷ 7 =
3231 ÷ 9 =
1 6 × 1 2 =
7 9 × 6 8 =
78 + __ = 81
__ + 9 = 93
84 + __ = 92
385 + 5 - 240=
287 + 7 - 259=
468 + 6 + 426=
18 - 18 =
6 - 5 =
16 - 14 =
14 ÷ 2 =
12 ÷ 3 =
12 ÷ 4 =
338 + __ = 909
265 + __ = 487
__ + 112 = 927
8628 - 4107 =
4735 + 3003 =
7958 - 2287 =
497 + 401 =
897 + 403 =
597 + 305 =
75 - 5x = 19
65 + 2x = 721
62 - 4x = 13
19 + 17 =
46 + 15 =
12 + 30 =
270 ÷ 90 =
360 ÷ 40 =
180 ÷ 30 =
5 - 5 =
3 - 3 =
8 - 1 =
19 + 34 + 45=
27 - 17 + 40=
54 - 29 + 53=
248 + 217 + 148 + 330=
263 + 239 + 121 + 347=
189 + 294 + 345 + 146=
48 ÷ 16 =
92 ÷ 23 =
99 ÷ 33 =
648 + 72 =
720 - 360 =
64 ÷ 16 =
69 - 5 × 2 × 5=
8 × 7 + 5 × 4=
5 × 3 - 7 × 2=
92 + 68 - 63=
96 -(30 - 13)=
90 + 25 - 28=
49 × 38 =
79 × 51 =
21 × 39 =
1 6 + 1 5 + 6 8 =
2 7 + 4 8 + 1 3 =
0.68 × 0.08 =
0.63 × 0.04 =
0.15 × 0.09 =
4 8 + 7 8 =
5 8 + 2 8 =
126 - 54 ÷ 6=
940 - 32 ÷ 4=
407 - 18 ÷ 6=
195 + 136 + 145 - 462=
900 - 123 + 135 + 174=
333 + 497 + 198 + 626=
252 11 =
20 96 =
519 - 489 + 237=
747 - 729 + 850=
927 - 755 + 822=
__ - 17 + 31 = 60
__ - 49 + 69 = 95
66 - 26 - __ = 22
4 + __ + 1 = 12
2 + 5 + __ = 13
1 + 3 + __ = 19
(4.5 + a) x 5 = 20
85 x (23.1 - a) = 510
72 x (56.1 - a) = 432