1/5÷3+4/5×1/3
1/3÷4/9+1/3+1/4
(4/5-2/3)×25/2
3-3/2×10/21-2/7
1/5÷【(2/3+1/5)×1/13】
24×4/25
【4-(3/4-3/8)】×4/29
26×4/25
1/7+7/8×5/7+3/8
1/4+(1-1/4-1/4)
【1-(1/4+3/8)】÷1/4
13÷25%÷4
2/9+1/2÷4/5+3/8
8/13÷7+1/7×6/13
12/5×(5/6+3/4)+4/5
10÷2/9+1/6×4
7/9÷11/5+2/9×5/11
1/6×2/3÷(4/5-8/15)
(1/12+1/2-7/12)÷1/7
44×2/43