[ 2 ( 5 ) + 3 ( 8 - 9 ) ]
{(10−2)÷2+5}×3−{4(2)−(8÷4)}
(3×4)+2(10−6)−(7+1)
5+{(24÷4)×3−(2+1)}
{(8+4)÷2}×3−{9−(3×2)}
{(2×3)−(8÷4)}−{(5+10)÷2}
{(3×4)−(10÷2)}−{(5+8)÷2}
[ (2 x 5) - 3 ( 8 + 4 ) - ( 9- 1) ]
5(3+2)−(12−5)+4(2)
{ - ( 10 + 5) + [ (75 -45 ) - 24 ] + 10 }
20
12
26
1
7
0.5
15
-3.5
-34
21