(3+1) * 1.3 + ( 4/5 -0.2 )

40.6 + 14/0.4 - 3 

14 - 2.6 * ( 1 +0.3)

2 *5+ 0.5 * 4

4/2+4/2

(2.5 + 1.5) / (0.2 + 0.2 + 0.2)

(1.2 - 0.2) / (0.1 * 10) 

(0.5 + 0.1) * (0.5 + 0.1)

(20 / 4) + ( 5 * 0.3)

10 / (2.5 + 2.5) + 0.2 * 5

(0.5 * 2) + (0.25 * 4) - 1

2 - 0.2 - 0.02 - 0.002

1 + 0.1 + 0.01 + 0.001 

4.4+ 2 + 2

5.4 -1.2-1.3

1.2 / 0.2 / 3 / 2

0.1 * 0.2 * 0.3 * 4 

1.1 - 0.2 - 0.3 - 0.1

0.1 + 0.2 + 0.3 + 0.4

0.6 / 0.2 / 3