165-65÷5 600+400÷25
3×220-20 576-(76+489)
4×(25+298) 82×18÷18
945-184-84 182-82×2
418-20+80 (725-250)÷25
660÷30+30 360-360÷40
1.4/5*67+1/5*33
2.1.04*2.5*1.25
3.(23/4-3/4)*(3*6+2)
4.3/7 × 49/9 - 4/3
5.8/9 × 15/36 + 1/27
6.12× 5/6 – 2/9 ×3
7.8× 5/4 + 1/4
8.6÷ 3/8 – 3/8 ÷6
9.4/7 × 5/9 + 3/7 × 5/9
10.5/2 -( 3/2 + 4/5 )
11.7/8 + ( 1/8 + 1/9 )
12.9 × 5/6 + 5/6
13.3/4 × 8/9 - 1/3
14.7 × 5/49 + 3/14
15.6 ×( 1/2 + 2/3 )
16.8 × 4/5 + 8 × 11/5
17.31 × 5/6 – 5/6
18.9/7 - ( 2/7 – 10/21 )
19.5/9 × 18 – 14 × 2/7
20.4/5 × 25/16 + 2/3 × 3/4
21.14 × 8/7 – 5/6 × 12/15
22.17/32 – 3/4 × 9/24
23.3 × 2/9 + 1/3
24.5/7 × 3/25 + 3/7
25.3/14 ×× 2/3 + 1/6
26.1/5 × 2/3 + 5/6
27.9/22 + 1/11 ÷ 1/2
28.5/3 × 11/5 + 4/3
29.45 × 2/3 + 1/3 × 15
30.7/19 + 12/19 × 5/6
31.1/4 + 3/4 ÷ 2/3
32.8/7 × 21/16 + 1/2
33.101 × 1/5 – 1/5 × 21