The sloping road is a parallelogram, the width of the lawn is 40 as the height and 4 as the growth.

Oblique path area =4*40= 160.

Cross path area =4*50=200

Repeat area of middle intersection =4*4= 16

Cement road area = 160+200- 16=304.

The sum of six numbers is 327. What is the smallest of these six numbers?

Minimum value = (327-7*3) ÷ 6- 1 = 50

These six numbers are

50 5 1 52

57 58 59

The minimum is 50.